US2982999A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of molding shaft seals
Assignee: Federal Mogul Bower Bearings Inc
•
Filing: 1955-04-18
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Granted: 1961-05-09
•
Expires: 1975-04-18
Abstract
No abstract record available.
Inventors
- 👤 John E Stewart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 05:51
CPC Classifications
B; B29; B29D; B29D99/00; B29D99/0053; B29C; B29C43/00; B29C43/02; B29C43/027; B29C43/18; B29C70/00; B29C70/68; B29K; B29K2021/00; B29L; B29L2031/00; B29L2031/26; Y; Y10; Y10S; Y10S277/00; Y10S277/922; Y10S277/924; Y10S29/00; Y10S29/034; Y10S425/00; Y10S425/047; Y10T; Y10T29/00; Y10T29/49; Y10T29/49636; Y10T29/49702; Y10T29/4998
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2158044A
Cited
US2393751A
Cited
US2454036A
Cited
US2651534A
Cited
US2700186A
Cited
US2772012A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-08 | 1964-11-07 | 1965-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-08 | 1968-11-07 | 1969-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-08 | 1972-11-07 | 1973-05-09 | $7700.00 | Window Closed / Lapsed |