US3065680A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Surface bumper
Assignee: Individual
•
Filing: 1957-09-10
•
Granted: 1962-11-27
•
Expires: 1977-09-10
Abstract
No abstract record available.
Inventors
- 👤 Sr George P Wiedman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:47
CPC Classifications
E; E04; E04H; E04H6/00; E04H6/42; E04H6/426; E01; E01F; E01F9/00; E01F9/50; E01F9/576; E01F9/588
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1864055A
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US2203312A
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US2255971A
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US2474038A
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US2655225A
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US2678592A
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US2719610A
Cited
US2818940A
Cited
US2863532A
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US2801948A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-11-26 | 1966-05-28 | 1966-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-26 | 1970-05-28 | 1970-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-26 | 1974-05-28 | 1974-11-27 | $7700.00 | Window Closed / Lapsed |