Patent US1397145A successfully refreshed from Google Patents.
US1397145A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pipe-joint
Assignee: Individual
•
Filing: 1920-07-21
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Granted: 1921-11-15
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Expires: 1940-07-21
Abstract
No abstract record available.
Inventors
- 👤 Plummer Henry Guion
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:43
CPC Classifications
F; F16; F16L; F16L37/00; F16L37/50; F16L37/52; E; E02; E02F; E02F7/00; E02F7/10; E02F9/00; E02F9/20; E02F9/22; E02F9/2264; E02F9/2275; F16L23/00; F16L23/02; F16L37/08; F16L37/12; F16L37/124
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) | 1924-11-14 | 1925-05-16 | 1925-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1928-11-14 | 1929-05-16 | 1929-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1932-11-14 | 1933-05-16 | 1933-11-15 | $7700.00 | Window Closed / Lapsed |