US1661179A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple drilling mechanism
Assignee: TOLEDO AUTOMATIC BRUSH MACHINE
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Filing: 1925-02-19
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Granted: 1928-03-06
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Expires: 1945-02-19
Abstract
No abstract record available.
Inventors
- 👤 Jobst Conrad
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 15:45
CPC Classifications
A; A46; A46D; A46D3/00; A46D3/02; B; B23; B23B; B23B39/00; B23B39/16; B23B39/161; B23B39/163; B23Q; B23Q16/00; B23Q16/02; B23Q16/04; B23Q16/06; Y; Y10; Y10T; Y10T408/00; Y10T408/36; Y10T408/38; Y10T408/3817; Y10T408/60; Y10T74/00; Y10T74/18; Y10T74/1836; Y10T74/18392
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) | 1931-03-06 | 1931-09-05 | 1932-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1935-03-06 | 1935-09-05 | 1936-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1939-03-06 | 1939-09-05 | 1940-03-06 | $7700.00 | Window Closed / Lapsed |