US3504831A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Load carrying bumper hitch
Assignee: RONNIE L HIGHNOTE
•
Filing: 1968-12-17
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Granted: 1970-04-07
•
Expires: 1988-12-17
Abstract
No abstract record available.
Inventors
- 👤 Ronnie L Highnote
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 02:28
CPC Classifications
B; B60; B60R; B60R9/00; B60R9/08; B60R9/10; Y; Y10; Y10S; Y10S224/00; Y10S224/924
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1050235A
Cited
US1370453A
Cited
US2431400A
Cited
US3061327A
Cited
US3240455A
Cited
US3275206A
Cited
US3300111A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-04-06 | 1973-10-06 | 1974-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-04-06 | 1977-10-06 | 1978-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-04-06 | 1981-10-06 | 1982-04-07 | $7700.00 | Window Closed / Lapsed |