US2652738A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Locking arbor
Assignee: General Precision Laboratory Inc
•
Filing: 1950-10-26
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Granted: 1953-09-22
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Expires: 1970-10-26
Abstract
No abstract record available.
Inventors
- 👤 Folke K Carlson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 06:34
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/40; B23B31/4086; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17128; Y10T279/17171; Y10T279/17188; Y10T279/17196; Y10T82/00; Y10T82/26; Y10T82/266; Y10T82/268
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US249143A
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US582225A
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US593082A
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US799443A
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US975043A
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US1050575A
Cited
US1798002A
Cited
GB386435A
Cited
US2111796A
Cited
US2388521A
Cited
US2543840A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-09-21 | 1957-03-23 | 1957-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-21 | 1961-03-23 | 1961-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-21 | 1965-03-23 | 1965-09-22 | $7700.00 | Window Closed / Lapsed |