US2989773A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anchor for window balancer spring
Assignee: Individual
•
Filing: 1959-07-06
•
Granted: 1961-06-27
•
Expires: 1979-07-06
Abstract
No abstract record available.
Inventors
- 👤 James G Perry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:06
CPC Classifications
E; E05; E05D; E05D13/00; E05D13/10; E05D13/12; E05D13/123; E05Y; E05Y2900/00; E05Y2900/10; E05Y2900/13; E05Y2900/148; Y; Y10; Y10T; Y10T292/00; Y10T292/71
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR788403A
Cited
FR1038192A
Cited
DE944107C
Cited
US2747219A
Cited
US2791795A
Cited
US2796630A
Cited
US2903736A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-06-26 | 1964-12-26 | 1965-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-26 | 1968-12-26 | 1969-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-26 | 1972-12-26 | 1973-06-27 | $7700.00 | Window Closed / Lapsed |