US3369953A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means for sealing the slit of a lengthwise-slit cardboard tube
Assignee: Individual
•
Filing: 1965-02-12
•
Granted: 1968-02-20
•
Expires: 1985-02-12
Abstract
No abstract record available.
Inventors
- 👤 Fener Alfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:29
CPC Classifications
B; B29; B29C; B29C65/00; B29C65/48; B29C65/50; B29C65/5042; B29C53/00; B29C53/36; B29C53/38; B29C53/40; B29C63/00; B29C63/26; B29C65/02; B29C65/18; B29C65/22; B29C65/221; B29C65/224; B29C65/4805; B29C65/481; B29C65/4815; B29C65/5092; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/114; B29C66/1142; B29C66/40; B29C66/41; B29C66/43; B29C66/432; B29C66/4322; B29C66/49; B29C66/50; B29C66/61; B29C66/80; B29C66/82; B29C66/822; B29C66/8221; B29C66/824; B29C66/8242; B29C66/83; B29C66/832; B29C66/8324; B29C66/004; B29C66/0042; B29C66/0044; B29C66/112; B29C66/1122; B29K; B29K2711/00; B29K2711/12; B29K2711/123; B29L; B29L2023/00; B29L2023/22; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1089
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2248249A
Cited
US2579488A
Cited
US2574094A
Cited
US2574095A
Cited
US2918106A
Cited
US2795264A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-02-19 | 1971-08-21 | 1972-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-19 | 1975-08-21 | 1976-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-19 | 1979-08-21 | 1980-02-20 | $7700.00 | Window Closed / Lapsed |