US2460622A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fitting
Assignee: Weatherhead Co
•
Filing: 1944-11-13
•
Granted: 1949-02-01
•
Expires: 1964-11-13
Abstract
No abstract record available.
Inventors
- 👤 Charles H Crawley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:45
CPC Classifications
F; F16; F16L; F16L41/00; F16L41/02; F16L41/021; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49428; Y10T29/49442
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US899582A
Cited
US1668488A
Cited
US1964474A
Cited
US2247420A
Cited
US2405010A
Cited
US2257427A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-02-01 | 1952-08-02 | 1953-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-02-01 | 1956-08-02 | 1957-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-02-01 | 1960-08-02 | 1961-02-01 | $7700.00 | Window Closed / Lapsed |