US2878714A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Glare reducing device
Assignee: Individual
•
Filing: 1956-10-30
•
Granted: 1959-03-24
•
Expires: 1976-10-30
Abstract
No abstract record available.
Inventors
- 👤 John W Van Denburg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 07:23
CPC Classifications
B; B60; B60J; B60J3/00; B60J3/02; B60J3/0204; B60J3/0208
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1719154A
Cited
GB429340A
Cited
US2287546A
Cited
US2345777A
Cited
US2392978A
Cited
US2722862A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-23 | 1962-09-22 | 1963-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-23 | 1966-09-22 | 1967-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-23 | 1970-09-22 | 1971-03-24 | $7700.00 | Window Closed / Lapsed |