US2476947A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bus or car window construction
Assignee: National Lock Washer Co
•
Filing: 1944-11-23
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Granted: 1949-07-19
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Expires: 1964-11-23
Abstract
No abstract record available.
Inventors
- 👤 Schunk Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 10:02
CPC Classifications
B; B60; B60J; B60J1/00; B60J1/08; B60J1/12; B60J1/16; B60J1/17
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) | 1952-07-18 | 1953-01-17 | 1953-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-07-18 | 1957-01-17 | 1957-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-07-18 | 1961-01-17 | 1961-07-19 | $7700.00 | Window Closed / Lapsed |