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US2987897A
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US
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Releasable snap ring connection
Assignee: Dana Inc
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Filing: 1959-09-08
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Granted: 1961-06-13
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Expires: 1979-09-08
Abstract
No abstract record available.
Inventors
- 👤 Robert E Spence
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:41
CPC Classifications
F; F16; F16D; F16D3/00; F16D3/16; F16D3/20; F16D3/22; F16D3/223; F16D3/224; F16B; F16B21/00; F16B21/10; F16B21/16; F16B21/18; F16B21/183; F16D2003/22313; Y; Y10; Y10S; Y10S464/00; Y10S464/904; Y10S464/906
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) | 1964-06-12 | 1964-12-12 | 1965-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-12 | 1968-12-12 | 1969-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-12 | 1972-12-12 | 1973-06-13 | $7700.00 | Window Closed / Lapsed |