US2981308A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for producing reinforced plastic, resinous or like structural bodies, forms, linings and coatings
Assignee: GEORGE F SHEA
•
Filing: 1958-01-31
•
Granted: 1961-04-25
•
Expires: 1978-01-31
Abstract
No abstract record available.
Inventors
- 👤 Frederick C Thompson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:38
CPC Classifications
B; B29; B29C; B29C41/00; B29C41/34; B29C41/36; B29C41/365; Y; Y10; Y10S; Y10S264/00; Y10S264/53; Y10S264/72; Y10S52/00; Y10S52/07
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2231497A
Cited
US2230396A
Cited
US2343887A
Cited
GB606093A
Cited
US2577664A
Cited
US2643955A
Cited
US2699403A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-04-24 | 1964-10-24 | 1965-04-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-24 | 1968-10-24 | 1969-04-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-24 | 1972-10-24 | 1973-04-25 | $7700.00 | Window Closed / Lapsed |