Patent US2096043A successfully refreshed from Google Patents.
US2096043A
Expired / Lapsed
US
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Vehicle door control system
Assignee: National Pneumatic Co Inc
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Filing: 1936-07-07
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Granted: 1937-10-19
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Expires: 1956-07-07
Abstract
No abstract record available.
Inventors
- 👤 Frank E Johnson
- 👤 Veer John H Vander
- 👤 Edward G Parvin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:38
CPC Classifications
E; E05; E05F; E05F15/00; E05F15/40; E05Y; E05Y2900/00; E05Y2900/50; E05Y2900/51
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1940-10-18 | 1941-04-19 | 1941-10-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-10-18 | 1945-04-19 | 1945-10-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-10-18 | 1949-04-19 | 1949-10-19 | $7700.00 | Window Closed / Lapsed |