US1141859A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lens-drilling machine.
Assignee: STANDARD OPTICAL Co
•
Filing: 1912-09-12
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Granted: 1915-06-01
•
Expires: 1932-09-12
Abstract
No abstract record available.
Inventors
- 👤 Gustav A Bader
- 👤 Chauncey W Howland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:28
CPC Classifications
B; B28; B28D; B28D1/00; B28D1/14; B28D1/143; B23; B23Q; B23Q35/00; B23Q35/02; Y; Y10; Y10S; Y10S408/00; Y10S408/704; Y10T; Y10T408/00; Y10T408/55; Y10T408/561; Y10T408/5617; Y10T408/5626
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) | 1918-05-31 | 1918-11-30 | 1919-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1922-05-31 | 1922-11-30 | 1923-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1926-05-31 | 1926-11-30 | 1927-06-01 | $7700.00 | Window Closed / Lapsed |