US3051444A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for installing split coupling collars on corrugated pipe
Assignee: Individual
•
Filing: 1959-08-10
•
Granted: 1962-08-28
•
Expires: 1979-08-10
Abstract
No abstract record available.
Inventors
- 👤 Andrew J Stephenson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:35
CPC Classifications
B; B25; B25B; B25B25/00; B25B25/005; B25B5/00; B25B5/06; B25B5/10; F; F16; F16L; F16L21/00; F16L21/06; F16L25/00; F16L25/0036; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53796; Y10T29/53848
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1330431A
Cited
US1732789A
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GB400139A
Cited
US2317195A
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US2599929A
Cited
US2816603A
Cited
US2886099A
Cited
US2787442A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-27 | 1966-02-26 | 1966-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-27 | 1970-02-26 | 1970-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-27 | 1974-02-26 | 1974-08-28 | $7700.00 | Window Closed / Lapsed |