Patent US2306256A successfully refreshed from Google Patents.
US2306256A
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Method of impressing plastics
Assignee: Peerless Roll Leaf Co Inc
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Filing: 1939-02-11
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Granted: 1942-12-22
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Expires: 1959-02-11
Abstract
No abstract record available.
Inventors
- 👤 Jr Arthur M Wickwire
- 👤 Muller John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 03:27
CPC Classifications
B; B29; B29C; B29C59/00; B29C59/02; B29C59/026; B29C37/00; B29C37/0025; B44; B44C; B44C1/00; B44C1/10; B44C1/14; H; H05; H05K; H05K3/00; H05K3/02; H05K3/04; H05K3/046; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1039
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) | 1945-12-21 | 1946-06-22 | 1946-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-12-21 | 1950-06-22 | 1950-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-12-21 | 1954-06-22 | 1954-12-22 | $7700.00 | Window Closed / Lapsed |