US2372632A
Expired / Lapsed
US
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Finishing seam and method
Assignee: Singer Co
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Filing: 1942-11-18
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Granted: 1945-03-27
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Expires: 1962-11-18
Abstract
No abstract record available.
Inventors
- 👤 Irving F Webb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 03:02
CPC Classifications
A; A41; A41D; A41D27/00; A41D27/24; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1034; Y10T156/1043; Y10T156/1044; Y10T156/1046; Y10T428/00; Y10T428/19; Y10T428/192; Y10T428/197; Y10T428/24; Y10T428/24033; Y10T428/24041; Y10T428/2405; Y10T428/2419; Y10T428/24215; Y10T428/24479; Y10T428/24612
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) | 1948-03-26 | 1948-09-25 | 1949-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-03-26 | 1952-09-25 | 1953-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-03-26 | 1956-09-25 | 1957-03-27 | $7700.00 | Window Closed / Lapsed |