US2661523A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drilling and tanging machine
Assignee: Motors Liquidation Co
•
Filing: 1948-06-11
•
Granted: 1953-12-08
•
Expires: 1968-06-11
Abstract
No abstract record available.
Inventors
- 👤 Hooper J Houck
- 👤 Richard M Morgan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 03:15
CPC Classifications
B; B23; B23Q; B23Q7/00; B23Q7/003; Y; Y10; Y10T; Y10T29/00; Y10T29/51; Y10T408/00; Y10T408/34; Y10T408/36; Y10T408/375; Y10T408/378; Y10T408/3792
Claims Analysis
Total Claims: 0
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US2249230A
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US2371906A
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US2462327A
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US2475091A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-12-07 | 1957-06-08 | 1957-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-07 | 1961-06-08 | 1961-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-07 | 1965-06-08 | 1965-12-08 | $7700.00 | Window Closed / Lapsed |