US2125552A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Threadless tube connection
Assignee: Kronprinz GmbH
•
Filing: 1936-07-07
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Granted: 1938-08-02
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Expires: 1956-07-07
Abstract
No abstract record available.
Inventors
- 👤 Paul Feldhoff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 00:52
CPC Classifications
F; F16; F16B; F16B7/00; F16B7/02; F16B7/025; F16B2200/00; F16B2200/10; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49945; Y10T403/00; Y10T403/49; Y10T403/4916; Y10T403/4924; Y10T403/4958; Y10T403/4966
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) | 1941-08-01 | 1942-01-31 | 1942-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-08-01 | 1946-01-31 | 1946-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-08-01 | 1950-01-31 | 1950-08-02 | $7700.00 | Window Closed / Lapsed |