US3172571A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Collapsible dispensing tube
Assignee: Primerica Inc
•
Filing: 1961-06-21
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Granted: 1965-03-09
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Expires: 1981-06-21
Abstract
No abstract record available.
Inventors
- 👤 Marchak Nicholas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 00:51
CPC Classifications
B; B29; B29D; B29D23/00; B29D23/20; B29C; B29C45/00; B29C45/14; B29C45/14336; B29C45/14467; B29C45/14598; B29C45/14778; B29C45/14811; B29C53/00; B29C53/36; B29C53/38; B29C53/48; B29C53/50; B29C65/00; B29C65/02; B29C65/10; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/32; B29C66/324; B29C66/3242; B29C66/40; B29C66/41; B29C66/43; B29C66/431; B29C66/4312; B29C66/43121; B29C66/43123; B29C66/432; B29C66/4322; B29C66/45; B29C66/49; B29C66/70; B29C66/72; B29C66/723; B29C66/73; B29C66/739; B29C66/7392; B29C66/73921; B29C66/80; B29C66/83; B29C66/834; B29C66/8341; B29C66/83411; B29C66/83413; B65; B65D; B65D35/00; B65D35/02; B65D35/12; B29C2793/00; B29C2793/0027; B29C2793/0045; B29C2793/009; B29C2795/00; B29C2795/002; B29C65/022; B29C65/028; B29C65/70; B29C66/114; B29C66/1142; B29C66/12; B29C66/122; B29C66/1222; B29C66/1224; B29C66/14; B29C66/50; B29C66/51; B29C66/53; B29C66/534; B29C66/5344; B29C66/71; B29C66/7232; B29C66/72321; B29C66/72327; B29C66/72328; B29C66/7234; B29C66/84; B29C66/841; B29C66/8412; B29K; B29K2023/00; B29K2023/04; B29K2023/06; B29K2705/00; B29L; B29L2009/00; B29L2009/003; B29L2023/00; B29L2023/20; Y; Y10; Y10S; Y10S264/00; Y10S264/41
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
140 words
A COLLAPSIBLE TUBE COMPRISING A TUBULAR BODY AND A HEADPIECE INTEGRALLY MOLDED TO ONE END THEREOF, SAID BODY BEING FORMED OF A PREFORMED SHEET INCLUDING AN INTERMEDIATE LARYER IMPERVIOUS TO THE CONTENTS OF SAID TUBE AND MUTUALLY COEXTENSIVE THERMOPLASTIC LAYERS COEXTENSIVELY BODNDED TO THE INNER AND OUTER SURFACES OF SAID INTERMEDIATE LAYER, SAID SHEET BEING WOUND IN A SINGLE CONVOLUTION WITH ITS LONGITUDINAL SIDE SEAM EXTENDING AND FUSED TOGETHER IN A LONGITUDINAL SIDE SEAM EXTENDING THE FULL LENGTH OF SAID BODY, SAID THERMOPLASTIC LAYERS OF EACH OF SAID OVERLAPPED MARGINAL EDGES BEING PRESSED TOGETHER AROUND THE CORRESPONDING EDGE OF SAID INTERMEDIATE LAYER AND FUSED TO THE UNDERLYING THERMOPLASTIC LAYER OF THE OTHER MARGINAL EDGE TO FORM CONTINUOUS, RELATIVELY THICK THERMOPLASTIC PORTIONS ON THE INSIDE AND OUTSIDE OF SAID BODY ENCLOSING THE EDGES OF SAID INTERMEDIATE LAYER WITHIN SAID SIDE SEAM.
Claim 2
Dependent Claim
140 words
A COLLAPSIBLE TUBE COMPRISING A TUBULAR BODY AND A HEADPIECE INTEGRALLY MOLDED TO ONE END THEREOF, SAID BODY BEING FORMED OF A PREFORMED SHEET INCLUDING AN INTERMEDIATE LARYER IMPERVIOUS TO THE CONTENTS OF SAID TUBE AND MUTUALLY COEXTENSIVE THERMOPLASTIC LAYERS COEXTENSIVELY BODNDED TO THE INNER AND OUTER SURFACES OF SAID INTERMEDIATE LAYER, SAID SHEET BEING WOUND IN A SINGLE CONVOLUTION WITH ITS LONGITUDINAL SIDE SEAM EXTENDING AND FUSED TOGETHER IN A LONGITUDINAL SIDE SEAM EXTENDING THE FULL LENGTH OF SAID BODY, SAID THERMOPLASTIC LAYERS OF EACH OF SAID OVERLAPPED MARGINAL EDGES BEING PRESSED TOGETHER AROUND THE CORRESPONDING EDGE OF SAID INTERMEDIATE LAYER AND FUSED TO THE UNDERLYING THERMOPLASTIC LAYER OF THE OTHER MARGINAL EDGE TO FORM CONTINUOUS, RELATIVELY THICK THERMOPLASTIC PORTIONS ON THE INSIDE AND OUTSIDE OF SAID BODY ENCLOSING THE EDGES OF SAID INTERMEDIATE LAYER WITHIN SAID SIDE SEAM.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-08 | 1968-09-07 | 1969-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-08 | 1972-09-07 | 1973-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-08 | 1976-09-07 | 1977-03-09 | $7700.00 | Window Closed / Lapsed |