US2765523A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of attaching articles for selective assembly with different devices
Assignee: American Optical Corp
•
Filing: 1950-12-30
•
Granted: 1956-10-09
•
Expires: 1970-12-30
Abstract
No abstract record available.
Inventors
- 👤 Vaughan William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 10:57
CPC Classifications
B; B24; B24B; B24B9/00; B24B9/02; B24B9/06; B24B9/08; B24B9/14; B24B9/146; Y; Y10; Y10S; Y10S359/00; Y10S359/90; Y10T; Y10T29/00; Y10T29/49; Y10T29/49762; Y10T29/49764; Y10T29/49778; Y10T29/4978
Claims Analysis
Total Claims: 0
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US1344700A
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US2050385A
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US2131687A
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US2614949A
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US2603922A
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US2644355A
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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) | 1959-10-09 | 1960-04-09 | 1960-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-09 | 1964-04-09 | 1964-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-09 | 1968-04-09 | 1968-10-09 | $7700.00 | Window Closed / Lapsed |