US2287546A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of manufacturing glasscoated plastic material
Assignee: Polaroid Corp
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Filing: 1938-02-24
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Granted: 1942-06-23
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Expires: 1958-02-24
Abstract
No abstract record available.
Inventors
- 👤 Frederick J Binda
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:22
CPC Classifications
H; H01; H01J; H01J9/00; H01J9/20; B; B29; B29D; B29D11/00; B29D11/0073
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1945-06-22 | 1945-12-22 | 1946-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-06-22 | 1949-12-22 | 1950-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-06-22 | 1953-12-22 | 1954-06-23 | $7700.00 | Window Closed / Lapsed |