US3413040A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tractor protecting valve
Assignee: Berg Manufacturing and Sales Co
•
Filing: 1966-12-09
•
Granted: 1968-11-26
•
Expires: 1986-12-09
Abstract
No abstract record available.
Inventors
- 👤 Horowitz Charles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:51
CPC Classifications
B; B60; B60T; B60T17/00; B60T17/18; B60T11/00; B60T11/10; B60T11/28; B60T11/32; B60T11/326; B60T13/00; B60T13/10; B60T13/24; B60T13/26; B60T13/40; B60T13/403; F; F16; F16K; F16K11/00; F16K11/02; F16K11/06; F16K11/065; F16K11/07; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2544
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3104133A
Cited
US3183919A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-26 | 1972-05-27 | 1972-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-26 | 1976-05-27 | 1976-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-26 | 1980-05-27 | 1980-11-26 | $7700.00 | Window Closed / Lapsed |