US2496911A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for forming plastic laminates
Assignee: Shellmar Products Corp
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Filing: 1945-06-07
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Granted: 1950-02-07
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Expires: 1965-06-07
Abstract
No abstract record available.
Inventors
- 👤 Lawrence B Green
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:01
CPC Classifications
B; B32; B32B; B32B27/00; D; D21; D21H; D21H25/00; D21H25/04; D21H25/06; D21H17/00; D21H17/20; D21H17/33; D21H17/46; D21H17/47; D21H17/48; D21H17/53; D21H23/00; D21H23/02; D21H23/22; D21H23/32; D21H23/42; Y; Y10; Y10T; Y10T156/00; Y10T156/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2268611A
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US2224922A
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US2264376A
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US2320513A
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US2429177A
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US2367670A
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US2402631A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-02-06 | 1953-08-08 | 1954-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-02-06 | 1957-08-08 | 1958-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-02-06 | 1961-08-08 | 1962-02-07 | $7700.00 | Window Closed / Lapsed |