Patent US2871932A successfully refreshed from Google Patents.
US2871932A
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US
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Upwardly acting doors having tracks inclined relative to the door frame
Assignee: Overhead Door Corp
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Filing: 1957-07-18
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Granted: 1959-02-03
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Expires: 1977-07-18
Abstract
No abstract record available.
Inventors
- 👤 Earl L Stroup
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 05:45
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/32; E06B3/48; E06B3/485; E05; E05D; E05D15/00; E05D15/16; E05D15/165; E05D15/24; E05D15/242; E05D13/00; E05D13/10; E05D13/12; E05D13/1253; E05D13/1261; E05Y; E05Y2900/00; E05Y2900/10; E05Y2900/106
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1590441A
Cited
US2015478A
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US2171194A
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US2244042A
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US2257513A
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US2557753A
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US2575255A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-02-02 | 1962-08-04 | 1963-02-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-02 | 1966-08-04 | 1967-02-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-02 | 1970-08-04 | 1971-02-03 | $7700.00 | Window Closed / Lapsed |