US2919952A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rear window cleaning device
Assignee: Individual
•
Filing: 1958-11-25
•
Granted: 1960-01-05
•
Expires: 1978-11-25
Abstract
No abstract record available.
Inventors
- 👤 John W Riddle
- 👤 Erick G Lundgren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:39
CPC Classifications
B; B60; B60J; B60J1/00; B60J1/20; B60J1/2002; B60J1/2008
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-01-04 | 1963-07-06 | 1964-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-01-04 | 1967-07-06 | 1968-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-01-04 | 1971-07-06 | 1972-01-05 | $7700.00 | Window Closed / Lapsed |