US3529701A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spring,vacuum and manual brake control for backhoe
Assignee: GETHMANN CONSTRUCTION CO Inc
•
Filing: 1968-07-15
•
Granted: 1970-09-22
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Expires: 1988-07-15
Abstract
No abstract record available.
Inventors
- 👤 Kenneth W Gethmann
- 👤 Russell J Dye
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:35
CPC Classifications
B; B60; B60T; B60T1/00; B60T1/02; B60T1/06; B60T11/00; B60T11/10; B60T11/103; B60T13/00; B60T13/10; B60T13/24; B60T13/46; B60T13/50
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1827849A
Cited
US2079978A
Cited
US2372842A
Cited
US2416222A
Cited
US2963115A
Cited
US3110522A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-09-21 | 1974-03-23 | 1974-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-21 | 1978-03-23 | 1978-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-21 | 1982-03-23 | 1982-09-22 | $7700.00 | Window Closed / Lapsed |