US3455597A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Passenger vehicles
Assignee: DC Transit System Inc
•
Filing: 1967-07-20
•
Granted: 1969-07-15
•
Expires: 1987-07-20
Abstract
No abstract record available.
Inventors
- 👤 Thomas L Sherbert
- 👤 Tillison M Sherbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 03:11
CPC Classifications
B; B60; B60N; B60N2/00; B60N2/24; B60N2/242; B62; B62D; B62D47/00; B62D47/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US753545A
Cited
US882653A
Cited
GB191112300A
Cited
US1333338A
Cited
US1780277A
Cited
GB333745A
Cited
US2502320A
Cited
FR1012057A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-14 | 1973-01-13 | 1973-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-14 | 1977-01-13 | 1977-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-14 | 1981-01-13 | 1981-07-15 | $7700.00 | Window Closed / Lapsed |