US2655684A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Roller construction
Assignee: Crawford Door Co
•
Filing: 1949-09-14
•
Granted: 1953-10-20
•
Expires: 1969-09-14
Abstract
No abstract record available.
Inventors
- 👤 Lowell V Robinson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:32
CPC Classifications
E; E05; E05D; E05D15/00; E05D15/16; E05D15/165; E05D15/24; E05Y; E05Y2201/00; E05Y2201/60; E05Y2201/622; E05Y2201/688
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US641602A
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US716342A
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US932038A
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US998511A
Cited
US1682899A
Cited
US2175646A
Cited
US2073347A
Cited
GB515603A
Cited
US2284427A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-10-19 | 1957-04-20 | 1957-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-19 | 1961-04-20 | 1961-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-19 | 1965-04-20 | 1965-10-20 | $7700.00 | Window Closed / Lapsed |