US2805591A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tool for making a pipe coupling
Assignee: Individual
•
Filing: 1955-12-16
•
Granted: 1957-09-10
•
Expires: 1975-12-16
Abstract
No abstract record available.
Inventors
- 👤 Widmer Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:15
CPC Classifications
F; F16; F16L; F16L13/00; F16L13/14; F16L13/146; B; B21; B21D; B21D39/00; B21D39/04; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49908; Y10T29/49915; Y10T29/49925; Y10T29/49934
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US493118A
Cited
US848036A
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US865498A
Cited
US887103A
Cited
US1461130A
Cited
US2117046A
Cited
US2444380A
Cited
US2325465A
Cited
US2484192A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-09-09 | 1961-03-11 | 1961-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-09 | 1965-03-11 | 1965-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-09 | 1969-03-11 | 1969-09-10 | $7700.00 | Window Closed / Lapsed |