Patent US3132893A successfully refreshed from Google Patents.
US3132893A
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Doors and the like for transportation vehicles
Assignee: Youngstown Steel Door Co
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Filing: 1961-09-28
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Granted: 1964-05-12
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Expires: 1981-09-28
Abstract
No abstract record available.
Inventors
- 👤 Theodore Z Herr
- 👤 Madland Thorvald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 09:20
CPC Classifications
B; B60; B60J; B60J5/00; B60J5/10; B60J5/108; E; E05; E05B; E05B83/00; E05B83/02; E05B83/08; E05B83/10; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/1043; Y10T292/1044; Y10T292/1045; Y10T292/1049
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1737627A
Cited
US2071236A
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US2329753A
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US2728702A
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US2751638A
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US2714516A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-05-12 | 1967-11-11 | 1968-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-12 | 1971-11-11 | 1972-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-12 | 1975-11-11 | 1976-05-12 | $7700.00 | Window Closed / Lapsed |