US3440831A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Quick freeze process
Assignee: STANLEY S THOMPSON
•
Filing: 1967-02-06
•
Granted: 1969-04-29
•
Expires: 1987-02-06
Abstract
No abstract record available.
Inventors
- 👤 Stanley S Thompson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 00:03
CPC Classifications
F; F25; F25D; F25D3/00; F25D3/10; F25D3/11; F25D9/00; F25D9/005; F25D2400/00; F25D2400/30
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2428412A
Cited
US2759336A
Cited
US2951351A
Cited
US3078687A
Cited
US3247678A
Cited
US3298188A
Cited
US3297454A
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 |