US3486530A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure device
Assignee: NORMAND TRUST A TRUST OF NEW YORK CONSISTING OF ARTHUR B COLVIN TRUSTEE
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Filing: 1966-09-29
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Granted: 1969-12-30
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Expires: 1986-09-29
Abstract
No abstract record available.
Inventors
- 👤 Jacques H Mercier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 09:56
CPC Classifications
F; F24; F24D; F24D3/00; F24D3/10; F24D3/1008; F24D3/1016; F15; F15B; F15B1/00; F15B1/02; F15B1/04; F15B1/08; F15B1/10; F15B1/106; F16; F16F; F16F9/00; F16F9/02; F16F9/04; F16F9/0436; F16F9/06; F16F9/08; F16F9/082; F17; F17C; F17C7/00; F15B2201/00; F15B2201/20; F15B2201/205; F15B2201/30; F15B2201/315; F15B2201/3152; F15B2201/40; F15B2201/41; F15B2201/415; F15B2201/43; F17C2201/00; F17C2201/01; F17C2201/0176; F17C2201/018
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-29 | 1973-06-30 | 1973-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-29 | 1977-06-30 | 1977-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-29 | 1981-06-30 | 1981-12-30 | $7700.00 | Window Closed / Lapsed |