US3270407A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Screw threaded freeze plug pull-out tool with work engaging means
Assignee: Individual
•
Filing: 1964-08-03
•
Granted: 1966-09-06
•
Expires: 1984-08-03
Abstract
No abstract record available.
Inventors
- 👤 Nat E Araujo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 08:11
CPC Classifications
B; B25; B25B; B25B27/00; B25B27/0035; B25B27/0042; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53796; Y10T29/53848; Y10T29/53857; Y10T29/53861
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US918411A
Cited
US1153070A
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US1369544A
Cited
US1403893A
Cited
GB186726A
Cited
US1676775A
Cited
US2098134A
Cited
US2489285A
Cited
US2765522A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-05 | 1970-03-07 | 1970-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-05 | 1974-03-07 | 1974-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-05 | 1978-03-07 | 1978-09-06 | $7700.00 | Window Closed / Lapsed |