US2566630A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat mover
Assignee: Individual
•
Filing: 1946-07-30
•
Granted: 1951-09-04
•
Expires: 1966-07-30
Abstract
No abstract record available.
Inventors
- 👤 Milton A Powers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 06:28
CPC Classifications
F; F24; F24D; F24D5/00; F04; F04D; F04D29/00; F04D29/60; F04D29/64; F04D29/644; F04D29/646
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US676950A
Cited
US694648A
Cited
US1253983A
Cited
US1219745A
Cited
US1987582A
Cited
US2258731A
Cited
US2228201A
Cited
US2337382A
Cited
US2278843A
Cited
US2418760A
Cited
US2420123A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-09-03 | 1955-03-05 | 1955-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-09-03 | 1959-03-05 | 1959-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-09-03 | 1963-03-05 | 1963-09-04 | $7700.00 | Window Closed / Lapsed |