US2477942A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Window
Assignee: Hunters Manufacturing Co Inc
•
Filing: 1945-05-04
•
Granted: 1949-08-02
•
Expires: 1965-05-04
Abstract
No abstract record available.
Inventors
- 👤 Henry N Renton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:58
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/32; E06B3/34; E06B3/42; E06B3/44; E06B2003/4492
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1287409A
Cited
US2013824A
Cited
US2262670A
Cited
US2291726A
Cited
US2295689A
Cited
US2379601A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-08-01 | 1953-01-31 | 1953-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-08-01 | 1957-01-31 | 1957-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-08-01 | 1961-01-31 | 1961-08-02 | $7700.00 | Window Closed / Lapsed |