US2399790A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of permanently attaching hose couplings
Assignee: Individual
•
Filing: 1943-05-27
•
Granted: 1946-05-07
•
Expires: 1963-05-27
Abstract
No abstract record available.
Inventors
- 👤 Charles L Conroy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:55
CPC Classifications
B; B21; B21D; B21D39/00; B21D39/04; B21D39/046; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49908; Y10T29/49909; Y10T29/49911; Y10T29/53; Y10T29/5367
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1949-05-06 | 1949-11-05 | 1950-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-05-06 | 1953-11-05 | 1954-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-05-06 | 1957-11-05 | 1958-05-07 | $7700.00 | Window Closed / Lapsed |