US2746065A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making preassembled washers and rotary fasteners
Assignee: Illinois Tool Works Inc
•
Filing: 1953-03-24
•
Granted: 1956-05-22
•
Expires: 1973-03-24
Abstract
No abstract record available.
Inventors
- 👤 Poupitch Ougljesa Jules
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 03:27
CPC Classifications
B; B23; B23P; B23P19/00; B23P19/04; B23P19/08; B23P19/082; B21; B21D; B21D53/00; B21D53/16; B21D53/20; F; F16; F16B; F16B37/00; F16B37/04; F16B37/06; F16B37/062; Y; Y10; Y10T; Y10T29/00; Y10T29/51; Y10T29/5191
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1119553A
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US1730377A
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US2646613A
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US2619146A
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US2681678A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-22 | 1959-11-21 | 1960-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-22 | 1963-11-21 | 1964-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-22 | 1967-11-21 | 1968-05-22 | $7700.00 | Window Closed / Lapsed |