Patent US1837975A successfully refreshed from Google Patents.
Patent US2555496A successfully refreshed from Google Patents.
US2555496A
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Spline arbor chuck
Assignee: Individual
•
Filing: 1947-03-17
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Granted: 1951-06-05
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Expires: 1967-03-17
Abstract
No abstract record available.
Inventors
- 👤 Mackmann Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:59
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/02; B23B31/025; Y; Y10; Y10T; Y10T279/00; Y10T279/28; Y10T279/30; Y10T403/00; Y10T403/40; Y10T74/00; Y10T74/19; Y10T74/1987; Y10T74/19893; Y10T74/19898; Y10T82/00; Y10T82/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US311396A
Cited
US859866A
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US1128524A
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US1725342A
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US2018088A
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US2045156A
Cited
GB464875A
Cited
US2372931A
Cited
US2403768A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-06-04 | 1954-12-04 | 1955-06-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-06-04 | 1958-12-04 | 1959-06-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-06-04 | 1962-12-04 | 1963-06-05 | $7700.00 | Window Closed / Lapsed |