US2631860A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Double-acting collet
Assignee: Individual
•
Filing: 1950-01-20
•
Granted: 1953-03-17
•
Expires: 1970-01-20
Abstract
No abstract record available.
Inventors
- 👤 Randolph F Bronson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:04
CPC Classifications
C; C03; C03B; C03B23/00; C03B23/04; C03B23/045; B; B23; B23B; B23B31/00; B23B31/001; B23B31/02; B23B31/10; B23B31/12; B23B31/20; B23B31/201; B23B31/202; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17411; Y10T279/17461; Y10T279/17478; Y10T279/17564; Y10T279/17572; Y10T279/17581; Y10T279/34; Y10T279/3493
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US351871A
Cited
US594587A
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US749794A
Cited
US1431089A
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US2067442A
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US2364682A
Cited
US2478102A
Cited
US2480762A
Cited
US2468465A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-16 | 1956-09-15 | 1957-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-16 | 1960-09-15 | 1961-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-16 | 1964-09-15 | 1965-03-17 | $7700.00 | Window Closed / Lapsed |