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US2070291A
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US
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Rubber lined pipe coupling
Assignee: Raybestos Manhattan Inc
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Filing: 1934-11-26
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Granted: 1937-02-09
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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
2026-10-24 06:46
CPC Classifications
F; F16; F16L; F16L23/00; F16L23/12; F16L23/125; F16L19/00; F16L19/02; F16L19/0212; F16L19/0218
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) | 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 |