US2960147A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat sealing device
Assignee: Uniroyal Inc
•
Filing: 1958-04-15
•
Granted: 1960-11-15
•
Expires: 1978-04-15
Abstract
No abstract record available.
Inventors
- 👤 Ferrell Wesley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 01:47
CPC Classifications
B; B30; B30B; B30B5/00; B30B5/02; B29; B29C; B29C65/00; B29C65/02; B29C65/18; B29C65/22; B29C65/221; B29C65/224; B29C65/228; B29C65/48; B29C65/50; B29C65/5042; B29C65/78; B29C65/7841; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/40; B29C66/41; B29C66/43; B29C66/80; B29C66/81; B29C66/814; B29C66/8145; B29C66/81455; B29C66/81461; B29C66/818; B29C66/8182; B29C66/81821; B29C66/8187; B29C66/81871; B29C66/82; B29C66/824; B29C66/8244; B29C65/4805; B29C65/481; B29C65/4815; B29C66/812; B29C66/8122; B29L; B29L2031/00; B29L2031/712; B29L2031/7128
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2305010A
Cited
US2725091A
Cited
US2796914A
Cited
US2646105A
Cited
US2713379A
Cited
US2835776A
Cited
US2822029A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-15 | 1964-05-16 | 1964-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-15 | 1968-05-16 | 1968-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-15 | 1972-05-16 | 1972-11-15 | $7700.00 | Window Closed / Lapsed |