US2812797A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for making a filament reinforced laminated fabric
Assignee: GLAS KRAFT Inc
•
Filing: 1956-07-11
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Granted: 1957-11-12
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Expires: 1976-07-11
Abstract
No abstract record available.
Inventors
- 👤 Ralph G Estee
- 👤 Earl T Bears
- 👤 Edward J Berry
- 👤 Sheeran Lloyd Alan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:20
CPC Classifications
B; B29; B29C; B29C70/00; B29C70/04; B29C70/06; B29C70/10; B29C70/16; B32; B32B; B32B27/00; D; D04; D04H; D04H3/00; D04H3/02; D04H3/04; D21; D21F; D21F11/00; D21H; D21H27/00; D21H27/30; D21H27/32; D21H27/34; B29C70/68; B29C70/685; B29C70/687
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1211851A
Cited
US1923710A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-11-11 | 1961-05-13 | 1961-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-11-11 | 1965-05-13 | 1965-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-11-11 | 1969-05-13 | 1969-11-12 | $7700.00 | Window Closed / Lapsed |