US2690599A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Canopy
Assignee: FALLS STAMPING AND WELDING CO
•
Filing: 1950-07-27
•
Granted: 1954-10-05
•
Expires: 1970-07-27
Abstract
No abstract record available.
Inventors
- 👤 Frank R Thompson
- 👤 William D Bell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:18
CPC Classifications
E; E04; E04F; E04F10/00; E04F10/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1196133A
Cited
US1703149A
Cited
US1455105A
Cited
US1930595A
Cited
US2251572A
Cited
US2484987A
Cited
US2559209A
Cited
US2644207A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-10-04 | 1958-04-05 | 1958-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-10-04 | 1962-04-05 | 1962-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-10-04 | 1966-04-05 | 1966-10-05 | $7700.00 | Window Closed / Lapsed |