Patent US2372177A successfully refreshed from Google Patents.
US1153824A
Expired / Lapsed
US
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Pipe-coupling.
Assignee: Individual
•
Filing: 1915-02-20
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Granted: 1915-09-14
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Expires: 1935-02-20
Abstract
No abstract record available.
Inventors
- 👤 William S Pierce
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:24
CPC Classifications
F; F16; F16L; F16L27/00; F16L27/08; F16L27/0804; F16L27/0808; F16L27/0824; F16L27/0828
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) | 1918-09-13 | 1919-03-15 | 1919-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1922-09-13 | 1923-03-15 | 1923-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1926-09-13 | 1927-03-15 | 1927-09-14 | $7700.00 | Window Closed / Lapsed |