US2927623A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composite sheet fabricating apparatus and methods
Assignee: FILON PLASTICS CORP
•
Filing: 1956-04-30
•
Granted: 1960-03-08
•
Expires: 1976-04-30
Abstract
No abstract record available.
Inventors
- 👤 George R Huisman
- 👤 Shorts Calhoun
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:02
CPC Classifications
B; B29; B29C; B29C53/00; B29C53/22; B29C53/24; B29C70/00; B29C70/04; B29C70/06; B29C70/10; B29C70/12; B29K; B29K2105/00; B29K2105/06; B29K2105/12; B29K2105/128; B29K2309/00; B29K2309/08; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1007; Y10T156/1008
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2208060A
Cited
US2428654A
Cited
GB621867A
Cited
US2496911A
Cited
US2577205A
Cited
US2731066A
Cited
US2704734A
Cited
US2637673A
Cited
US2692220A
Cited
US2771387A
Cited
US2784763A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-08 | 1963-09-07 | 1964-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-08 | 1967-09-07 | 1968-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-08 | 1971-09-07 | 1972-03-08 | $7700.00 | Window Closed / Lapsed |