US3018882A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spiral roll of perforated thermoplastic multiple tubing and method and apparatus for producing same
Assignee: Union Carbide Corp
•
Filing: 1957-11-01
•
Granted: 1962-01-30
•
Expires: 1977-11-01
Abstract
No abstract record available.
Inventors
- 👤 Joe S Ferguson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:00
CPC Classifications
B; B29; B29C; B29C65/00; B29C65/02; B29C65/74; B29C65/745; B29C65/7457; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/13; B29C66/137; B29C66/40; B29C66/41; B29C66/43; B29C66/431; B29C66/4312; B29C66/432; B29C66/4322; B29C2793/00; B29C2793/0045; B29C48/00; B29C48/001; B29C48/0018; B29C48/0019; B29C48/03; B29C48/09; B29C48/10; B29C53/00; B29C53/02; B29C53/10; B29C66/70; B29C66/71; B29C66/80; B29C66/83; B29C66/836; Y; Y10; Y10S; Y10S206/00; Y10S206/82; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1005; Y10T156/1052; Y10T156/1056; Y10T156/1057; Y10T156/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
AN ARTICLE OF MANUFACTURE COMPRISING A SPIRAL ROLL OF A LONGITUDINALLY CONTINUOUS LENGTH OF INTEGRAL FLATTENED TUBING OF THERMOPLASTIC MATERIAL HAVING AN INTEGRAL PERIPHERAL WALL WITH LONGITUDINAL FOLDS AT EACH SIDE THEREOF EXTENDING THROUGHOUT SAID CONTINUOUS LENGTH OF TUBING IN THE ROLL AND A PLURALITY OF PARALLEL POCKETS TRANSVERSELY SPACED BETWEEN SAID SIDE FOLDS AND EXTENDING LONGITUDINALLY THROUGHOUT SAID CONTINUOUS LENGTH OF TUBING IN THE ROLL, EACH POCKET BEING SEPARATED FROM AN ADJACENT POCKET BY A PARALLED SEAM BETWEEN OPPOSED WALL PORTIONS AND EXTENDING THROUGHOUT SAID CONTINUOUS LENGTH OF TUBING IN THE ROLL, EACH OF SAID PARALLEL SEAMS COMPRISING TWO PARALLEL SPACED CONTINUOUS HEAT SEALS BETWEEM SAID OPPOSED WALL
Claim 2
Dependent Claim
109 words
AN ARTICLE OF MANUFACTURE COMPRISING A SPIRAL ROLL OF A LONGITUDINALLY CONTINUOUS LENGTH OF INTEGRAL FLATTENED TUBING OF THERMOPLASTIC MATERIAL HAVING AN INTEGRAL PERIPHERAL WALL WITH LONGITUDINAL FOLDS AT EACH SIDE THEREOF EXTENDING THROUGHOUT SAID CONTINUOUS LENGTH OF TUBING IN THE ROLL AND A PLURALITY OF PARALLEL POCKETS TRANSVERSELY SPACED BETWEEN SAID SIDE FOLDS AND EXTENDING LONGITUDINALLY THROUGHOUT SAID CONTINUOUS LENGTH OF TUBING IN THE ROLL, EACH POCKET BEING SEPARATED FROM AN ADJACENT POCKET BY A PARALLED SEAM BETWEEN OPPOSED WALL PORTIONS AND EXTENDING THROUGHOUT SAID CONTINUOUS LENGTH OF TUBING IN THE ROLL, EACH OF SAID PARALLEL SEAMS COMPRISING TWO PARALLEL SPACED CONTINUOUS HEAT SEALS BETWEEM SAID OPPOSED WALL
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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) | 1965-01-29 | 1965-07-31 | 1966-01-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-29 | 1969-07-31 | 1970-01-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-29 | 1973-07-31 | 1974-01-30 | $7700.00 | Window Closed / Lapsed |