US3515449A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Soft rubber squeeze film bearing
Assignee: United States Department of the Navy
•
Filing: 1968-09-10
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Granted: 1970-06-02
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Expires: 1988-09-10
Abstract
No abstract record available.
Inventors
- 👤 Alfred B Harbage Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:56
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/02; F16C33/04; F16C33/22; B; B63; B63H; B63H23/00; B63H23/32; B63H23/321; B63H23/326; B63B; B63B3/00; B63B3/14; B63B3/42; B63B2003/425; F16C2326/00; F16C2326/30
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) | 1973-06-01 | 1973-12-01 | 1974-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-01 | 1977-12-01 | 1978-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-01 | 1981-12-01 | 1982-06-02 | $7700.00 | Window Closed / Lapsed |