US3504690A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure band detector
Assignee: HOWARD L ROSE
•
Filing: 1965-10-14
•
Granted: 1970-04-07
•
Expires: 1985-10-14
Abstract
No abstract record available.
Inventors
- 👤 Howard L Rose
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:56
CPC Classifications
F; F15; F15C; F15C1/00; F15C1/14; F15C1/146; Y; Y10; Y10T; Y10T137/00; Y10T137/206; Y10T137/212; Y10T137/2125; Y10T137/2142; Y10T137/2147
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US3159168A
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US3256899A
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US3220428A
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US3191611A
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US3331379A
Cited
US3279488A
Cited
US3233622A
Cited
US3340885A
Cited
US3327725A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-04-06 | 1973-10-06 | 1974-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-04-06 | 1977-10-06 | 1978-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-04-06 | 1981-10-06 | 1982-04-07 | $7700.00 | Window Closed / Lapsed |