Patent US1148640A successfully refreshed from Google Patents.
US1148640A
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US
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Drilling-machine.
Assignee: Westinghouse Electric Corp
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Filing: 1910-01-26
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Granted: 1915-08-03
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Expires: 1930-01-26
Abstract
No abstract record available.
Inventors
- 👤 Benjamin Wehner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:27
CPC Classifications
B; B23; B23Q; B23Q35/00; B23Q35/02; G; G05; G05B; G05B2219/00; G05B2219/30; G05B2219/36; G05B2219/36366; Y; Y10; Y10S; Y10S29/00; Y10S29/094; Y10S408/00; Y10S408/71; Y10T; Y10T408/00; Y10T408/08; Y10T408/36; Y10T408/38; Y10T408/3811; Y10T408/50; Y10T408/52; Y10T408/55; Y10T408/563; Y10T408/564; Y10T408/5647; Y10T408/65; Y10T408/675; Y10T408/6779; Y10T74/00; Y10T74/14; Y10T74/1418; Y10T74/1424; Y10T74/1494; Y10T74/21; Y10T74/219; Y10T74/2191
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) | 1918-08-02 | 1919-02-01 | 1919-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1922-08-02 | 1923-02-01 | 1923-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1926-08-02 | 1927-02-01 | 1927-08-03 | $7700.00 | Window Closed / Lapsed |