Patent US2883899A successfully refreshed from Google Patents.
US2883899A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Retaining ring of uniform section height with means providing for circumferential bending and method of making same
Assignee: Individual
•
Filing: 1957-11-12
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Granted: 1959-04-28
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Expires: 1977-11-12
Abstract
No abstract record available.
Inventors
- 👤 Ludwig S Bluth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:25
CPC Classifications
F; F16; F16B; F16B21/00; F16B21/10; F16B21/16; F16B21/18; B; B21; B21D; B21D53/00; B21D53/16; F16C; F16C35/00; F16C35/04; F16C35/06; F16C19/00; F16C19/02; F16C19/04; F16C19/06
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) | 1962-04-27 | 1962-10-27 | 1963-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-27 | 1966-10-27 | 1967-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-27 | 1970-10-27 | 1971-04-28 | $7700.00 | Window Closed / Lapsed |