US2635901A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Joint for smooth-surfaced pipe
Assignee: Individual
•
Filing: 1946-12-27
•
Granted: 1953-04-21
•
Expires: 1966-12-27
Abstract
No abstract record available.
Inventors
- 👤 Alden E Osborn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:04
CPC Classifications
F; F16; F16L; F16L37/00; F16L37/08; F16L37/084; F16L37/092; F16L37/0925; F16L27/00; F16L27/02; F16L27/023; F16L37/0927
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US769896A
Cited
US1930194A
Cited
US2017994A
Cited
GB443375A
Cited
US2111956A
Cited
US2182797A
Cited
US2259453A
Cited
US2479960A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-04-20 | 1956-10-20 | 1957-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-04-20 | 1960-10-20 | 1961-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-04-20 | 1964-10-20 | 1965-04-21 | $7700.00 | Window Closed / Lapsed |