Patent US2602308A successfully refreshed from Google Patents.
US2602308A
Expired / Lapsed
US
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Device for restoring trueness of rotary shafts
Assignee: RELIEPHOGRAPHIE SOC POUR L EXP
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Filing: 1945-10-30
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Granted: 1952-07-08
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Expires: 1965-10-30
Abstract
No abstract record available.
Inventors
- 👤 Bonnet Maurice
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 03:55
CPC Classifications
B; B23; B23B; B23B33/00; B21; B21D; B21D3/00; B21D3/10; F; F16; F16C; F16C3/00; F16C3/02; Y; Y10; Y10T; Y10T82/00; Y10T82/15; Y10T82/152
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-07-08 | 1956-01-07 | 1956-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-08 | 1960-01-07 | 1960-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-08 | 1964-01-07 | 1964-07-08 | $7700.00 | Window Closed / Lapsed |