US1058683A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rubber-packed coupling for lock-bar pipe.
Assignee: SR Dresser Manufacturing Co
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Filing: 1909-10-14
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Granted: 1913-04-08
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Expires: 1929-10-14
Abstract
No abstract record available.
Inventors
- 👤 George P Boothe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:10
CPC Classifications
E; E21; E21B; E21B17/00; E21B17/02; E21B17/04; E21B17/046; F; F16; F16L; F16L13/00; F16L13/14; F16L13/141
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) | 1916-04-07 | 1916-10-07 | 1917-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1920-04-07 | 1920-10-07 | 1921-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1924-04-07 | 1924-10-07 | 1925-04-08 | $7700.00 | Window Closed / Lapsed |