US2667865A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for forming pipe joints
Assignee: Individual
•
Filing: 1948-12-31
•
Granted: 1954-02-02
•
Expires: 1968-12-31
Abstract
No abstract record available.
Inventors
- 👤 Herman Harry Hirsch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:57
CPC Classifications
F; F16; F16L; F16L13/00; F16L13/08; Y; Y10; Y10S; Y10S285/00; Y10S285/919
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2314950A
Cited
US934711A
Cited
US1151679A
Cited
GB191400736A
Cited
US1662945A
Cited
US1770852A
Cited
US1801171A
Cited
US1776502A
Cited
US2018117A
Cited
US2146393A
Cited
US2174218A
Cited
US2224145A
Cited
US2450120A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-02-01 | 1957-08-03 | 1958-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-02-01 | 1961-08-03 | 1962-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-02-01 | 1965-08-03 | 1966-02-02 | $7700.00 | Window Closed / Lapsed |