US2070291A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rubber lined pipe coupling
Assignee: Raybestos Manhattan Inc
•
Filing: 1934-11-26
•
Granted: 1937-02-09
•
Expires: 1954-11-26
Abstract
No abstract record available.
Inventors
- 👤 Mchugh Charles Patrick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:42
CPC Classifications
F; F16; F16L; F16L23/00; F16L23/12; F16L23/125; F16L19/00; F16L19/02; F16L19/0212; F16L19/0218
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1940-02-09 | 1940-08-10 | 1941-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-02-09 | 1944-08-10 | 1945-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-02-09 | 1948-08-10 | 1949-02-09 | $7700.00 | Window Closed / Lapsed |