US2599759A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lap truing machine
Assignee: American Optical Corp
•
Filing: 1948-09-29
•
Granted: 1952-06-10
•
Expires: 1968-09-29
Abstract
No abstract record available.
Inventors
- 👤 William A Gunning
- 👤 George C Favre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 09:16
CPC Classifications
B; B23; B23B; B23B5/00; B23B5/36; B23B5/40; Y; Y10; Y10T; Y10T409/00; Y10T409/50; Y10T409/5041; Y10T409/504756
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1513883A
Cited
US1537059A
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US1711801A
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US1803429A
Cited
US2380446A
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US2480028A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-06-10 | 1955-12-10 | 1956-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-06-10 | 1959-12-10 | 1960-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-06-10 | 1963-12-10 | 1964-06-10 | $7700.00 | Window Closed / Lapsed |