US2770820A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable pipe threading tool
Assignee: Individual
•
Filing: 1953-10-01
•
Granted: 1956-11-20
•
Expires: 1973-10-01
Abstract
No abstract record available.
Inventors
- 👤 Wiegel Louis Adolph
- 👤 Wiegel Dave Wilson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 07:53
CPC Classifications
B; B23; B23G; B23G1/00; B23G1/22; Y; Y10; Y10T; Y10T408/00; Y10T408/65
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US368426A
Cited
US502686A
Cited
US1384811A
Cited
GB361117A
Cited
US1871732A
Cited
US2160274A
Cited
US2567784A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-11-20 | 1960-05-21 | 1960-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-20 | 1964-05-21 | 1964-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-20 | 1968-05-21 | 1968-11-20 | $7700.00 | Window Closed / Lapsed |