US2716762A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and machine for assembling washers with rotary fasteners
Assignee: Illinois Tool Works Inc
•
Filing: 1950-08-03
•
Granted: 1955-09-06
•
Expires: 1970-08-03
Abstract
No abstract record available.
Inventors
- 👤 Stern William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:02
CPC Classifications
B; B23; B23P; B23P19/00; B23P19/04; B23P19/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US686122A
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US2271154A
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US2303224A
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US2284698A
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US2284676A
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US2390121A
Cited
US2593732A
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US2540058A
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US2642593A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-09-05 | 1959-03-07 | 1959-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-09-05 | 1963-03-07 | 1963-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-09-05 | 1967-03-07 | 1967-09-06 | $7700.00 | Window Closed / Lapsed |