US3117371A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chafing gear
Assignee: Individual
•
Filing: 1961-06-12
•
Granted: 1964-01-14
•
Expires: 1981-06-12
Abstract
No abstract record available.
Inventors
- 👤 Eugene D Farley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 01:02
CPC Classifications
B; B63; B63B; B63B21/00; B63B21/04; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49863; Y10T29/4987; Y10T74/00; Y10T74/20; Y10T74/20396; Y10T74/20402; Y10T74/20456
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
AT116651B
Cited
US1977775A
Cited
GB447471A
Cited
US2032753A
Cited
US2160240A
Cited
US2275019A
Cited
US2258508A
Cited
US2494285A
Cited
US3051278A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-01-13 | 1967-07-15 | 1968-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-13 | 1971-07-15 | 1972-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-13 | 1975-07-15 | 1976-01-14 | $7700.00 | Window Closed / Lapsed |