US2825587A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pipe-in-socket coupling for slotted end conduits
Assignee: PLYMOUTH IND PRODUCTS Inc
•
Filing: 1954-11-03
•
Granted: 1958-03-04
•
Expires: 1974-11-03
Abstract
No abstract record available.
Inventors
- 👤 Anthony J Barta
- 👤 Robert T Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:41
CPC Classifications
B; B29; B29C; B29C66/00; B29C66/01; B29C66/32; B29C66/322; B29C65/00; B29C65/48; B29C65/4805; B29C65/481; B29C65/482; B29C66/05; B29C66/10; B29C66/12; B29C66/122; B29C66/1222; B29C66/1224; B29C66/50; B29C66/51; B29C66/52; B29C66/522; B29C66/5221; F; F16; F16L; F16L47/00; F16L47/02; Y; Y10; Y10S; Y10S285/00; Y10S285/915
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US619556A
Cited
GB261168A
Cited
US1890998A
Cited
US1986010A
Cited
US2358291A
Cited
US2517778A
Cited
US2498831A
Cited
US2776151A
Cited
GB740161A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-03-03 | 1961-09-02 | 1962-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-03 | 1965-09-02 | 1966-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-03 | 1969-09-02 | 1970-03-04 | $7700.00 | Window Closed / Lapsed |