US3101599A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air conditioner
Assignee: Individual
•
Filing: 1961-06-15
•
Granted: 1963-08-27
•
Expires: 1981-06-15
Abstract
No abstract record available.
Inventors
- 👤 Sr Elvin B Pippert
- 👤 Miller Harry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:16
CPC Classifications
F; F25; F25B; F25B33/00; B; B60; B60H; B60H1/00; B60H1/32; B60H1/3201; B60H1/32011; F25B27/00; F25B27/02; Y; Y02; Y02A; Y02A30/00; Y02A30/27; Y02A30/274
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2269099A
Cited
US2287172A
Cited
US2430047A
Cited
US2659214A
Cited
US2953907A
Cited
US2990694A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-08-26 | 1967-02-25 | 1967-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-26 | 1971-02-25 | 1971-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-26 | 1975-02-25 | 1975-08-27 | $7700.00 | Window Closed / Lapsed |