Patent US2863503A successfully refreshed from Google Patents.
US2863503A
Expired / Lapsed
US
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Sectional door of the vertically opening horizontally hinged type
Assignee: Overhead Door Corp
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Filing: 1956-08-27
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Granted: 1958-12-09
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Expires: 1976-08-27
Abstract
No abstract record available.
Inventors
- 👤 Earl L Stroup
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:31
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/32; E06B3/48; E06B3/485
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US809145A
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US1376607A
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US1395766A
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US1451353A
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US1996004A
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US2061304A
Cited
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) | 1961-12-08 | 1962-06-09 | 1962-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-08 | 1966-06-09 | 1966-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-08 | 1970-06-09 | 1970-12-09 | $7700.00 | Window Closed / Lapsed |