US3469598A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Taps
Assignee: Individual
•
Filing: 1966-05-10
•
Granted: 1969-09-30
•
Expires: 1986-05-10
Abstract
No abstract record available.
Inventors
- 👤 Albert Fletcher Wigley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 11:18
CPC Classifications
F; F16; F16K; F16K19/00; B; B05; B05B; B05B1/00; B05B1/30; B05B1/3013; Y; Y10; Y10T; Y10T137/00; Y10T137/6416
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1825443A
Cited
US1987883A
Cited
US2584436A
Cited
US2986155A
Cited
US3194258A
Cited
US3242940A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-29 | 1973-03-31 | 1973-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-29 | 1977-03-31 | 1977-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-29 | 1981-03-31 | 1981-09-30 | $7700.00 | Window Closed / Lapsed |