US3394769A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air conditioning
Assignee: Buensod Stacey Corp
•
Filing: 1965-10-06
•
Granted: 1968-07-30
•
Expires: 1985-10-06
Abstract
No abstract record available.
Inventors
- 👤 William E Smith
- 👤 Robert W Waterfill
- 👤 Jr Robert M Warren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:30
CPC Classifications
F; F24; F24F; F24F11/00; F24F11/70; F24F11/72; F24F11/74; F24F11/75; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/785; Y10T137/7852; Y10T137/7869
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1067777A
Cited
US1079824A
Cited
US1895863A
Cited
US2890716A
Cited
US3060960A
Cited
US3053275A
Cited
US3242943A
Cited
US3292657A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-30 | 1972-01-29 | 1972-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-30 | 1976-01-29 | 1976-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-30 | 1980-01-29 | 1980-07-30 | $7700.00 | Window Closed / Lapsed |