US3485977A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Treadle switch unit for vehicular traffic
Assignee: Raymark Industries Inc
•
Filing: 1968-02-23
•
Granted: 1969-12-23
•
Expires: 1988-02-23
Abstract
No abstract record available.
Inventors
- 👤 William C Goble
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 03:02
CPC Classifications
H; H01; H01H; H01H3/00; H01H3/02; H01H3/14; H01H3/141; H01H3/142; H01B; H01B7/00; H01B7/10; H01B7/104; H01B7/108
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2761928A
Cited
US2823279A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-22 | 1973-06-23 | 1973-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-22 | 1977-06-23 | 1977-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-22 | 1981-06-23 | 1981-12-23 | $7700.00 | Window Closed / Lapsed |