Patent US2816682A successfully refreshed from Google Patents.
US2017403A
Expired / Lapsed
US
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Method of processing sheet metal
Assignee: American Sheet and Tin Plate Co
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Filing: 1933-11-13
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Granted: 1935-10-15
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Expires: 1953-11-13
Abstract
No abstract record available.
Inventors
- 👤 Edwin T Lorig
- 👤 Carl E Moore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:54
CPC Classifications
B; B21; B21B; B21B27/00; B21B27/06; B21B27/10; B21B45/00; B21B45/02; B21B45/0239; B21B45/0245; B21B45/0248; B21B45/0251; B21B1/00; B21B1/22; B21B1/30; B21B1/32; B21B1/36; B21B28/00; B21B28/02; B21B28/04
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) | 1938-10-14 | 1939-04-15 | 1939-10-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-10-14 | 1943-04-15 | 1943-10-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-10-14 | 1947-04-15 | 1947-10-15 | $7700.00 | Window Closed / Lapsed |