US2962305A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coupling for reinforced resinous pipe
Assignee: 3M Co
•
Filing: 1956-10-01
•
Granted: 1960-11-29
•
Expires: 1976-10-01
Abstract
No abstract record available.
Inventors
- 👤 Joseph A Mccarthy
- 👤 Donald G Lorimer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:57
CPC Classifications
B; B29; B29C; B29C65/00; B29C65/02; B29C65/34; B29C65/3404; B29C65/342; B29C65/3432; B29C65/18; B29C65/24; B29C65/28; B29C65/344; B29C65/3468; B29C65/48; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/13; B29C66/131; B29C66/1312; B29C66/50; B29C66/51; B29C66/52; B29C66/522; B29C66/5221; B29C66/5229; B29C66/52296; B29C66/52298; B29C66/53; B29C66/534; B29C66/5344; F; F16; F16L; F16L17/00; F16L17/02; F16L17/04; F16L47/00; F16L47/02; F16L47/03; F16L47/14; B29C65/3472; B29C65/3476; B29C65/4805; B29C65/483; B29C65/4835; B29C66/70; B29C66/71; B29C66/72; B29C66/721; B29C66/7212; B29C66/73; B29C66/739; B29C66/7394; B29C66/73941; B29C66/80; B29C66/84; B29C66/861; B29C66/8618
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
BE524849A
Cited
US1967467A
Cited
US2338307A
Cited
BE511690A
Cited
GB709161A
Cited
US2766518A
Cited
US2782806A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-29 | 1964-05-30 | 1964-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-29 | 1968-05-30 | 1968-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-29 | 1972-05-30 | 1972-11-29 | $7700.00 | Window Closed / Lapsed |