US1711801A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for producing lens-grinding tools
Assignee: Bausch and Lomb Inc
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Filing: 1926-10-13
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Granted: 1929-05-07
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Expires: 1946-10-13
Abstract
No abstract record available.
Inventors
- 👤 Joseph J Mccabe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:05
CPC Classifications
B; B24; B24B; B24B13/00; B24B13/04; B24B13/046; B23; B23B; B23B5/00; B23B5/36; B23B5/40; B23B2270/00; B23B2270/20; Y; Y10; Y10T; Y10T409/00; Y10T409/50; Y10T409/5041; Y10T409/504592; Y10T74/00; Y10T74/15; Y10T74/1526; Y10T74/1532; Y10T82/00; Y10T82/14; Y10T82/148; Y10T82/25; Y10T82/2572; Y10T82/2574
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) | 1932-05-06 | 1932-11-05 | 1933-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1936-05-06 | 1936-11-05 | 1937-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1940-05-06 | 1940-11-05 | 1941-05-07 | $7700.00 | Window Closed / Lapsed |