US3440765A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Window actuator
Assignee: TA ACQUISITION CORP
•
Filing: 1965-10-23
•
Granted: 1969-04-29
•
Expires: 1985-10-23
Abstract
No abstract record available.
Inventors
- 👤 Rudolph Eskra
- 👤 James M Cook
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:43
CPC Classifications
E; E05; E05F; E05F15/00; E05F15/60; E05F15/603; E05F15/665; E05F15/689; E05F11/00; E05F11/38; E05F11/44; E05F11/445; E05Y; E05Y2900/00; E05Y2900/50; E05Y2900/53; E05Y2900/55; Y; Y10; Y10T; Y10T74/00; Y10T74/19
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1720063A
Cited
US2304245A
Cited
US3211262A
Cited
US3280353A
Cited
US3182525A
Cited
US3359684A
Cited
US3373528A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-28 | 1972-10-28 | 1973-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-28 | 1976-10-28 | 1977-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-28 | 1980-10-28 | 1981-04-29 | $7700.00 | Window Closed / Lapsed |