US2670549A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Laundry drier
Assignee: Hamilton Manufacturing Co
•
Filing: 1951-10-03
•
Granted: 1954-03-02
•
Expires: 1971-10-03
Abstract
No abstract record available.
Inventors
- 👤 Charles S O'neil
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:54
CPC Classifications
D; D06; D06F; D06F58/00; D06F58/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1358599A
Cited
US1655514A
Cited
US2039429A
Cited
US2314748A
Cited
US2280704A
Cited
US2498172A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-03-01 | 1957-08-31 | 1958-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-01 | 1961-08-31 | 1962-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-01 | 1965-08-31 | 1966-03-02 | $7700.00 | Window Closed / Lapsed |