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US1938286A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Joint for pipe, tubes, and the like
Assignee: Individual
•
Filing: 1932-07-28
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Granted: 1933-12-05
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Expires: 1952-07-28
Abstract
No abstract record available.
Inventors
- 👤 Elliott Joseph Henderson
- 👤 Jack Isabella Duncan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:01
CPC Classifications
F; F16; F16L; F16L37/00; F16L37/02; F16L37/04; F16L37/06; F16L21/00; F16L21/02; F16L21/03
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) | 1936-12-04 | 1937-06-05 | 1937-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-12-04 | 1941-06-05 | 1941-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-12-04 | 1945-06-05 | 1945-12-05 | $7700.00 | Window Closed / Lapsed |