US3436783A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable pipe thread cleaning device
Assignee: Individual
•
Filing: 1965-10-05
•
Granted: 1969-04-08
•
Expires: 1985-10-05
Abstract
No abstract record available.
Inventors
- 👤 Jack D Mccartney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 00:19
CPC Classifications
B; B08; B08B; B08B9/00; B08B9/02; B08B9/021
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1193361A
Cited
US1161122A
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US1660852A
Cited
US1932068A
Cited
US1959842A
Cited
US2152036A
Cited
US2629121A
Cited
US2635393A
Cited
US2661494A
Cited
US2922174A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-07 | 1972-10-07 | 1973-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-07 | 1976-10-07 | 1977-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-07 | 1980-10-07 | 1981-04-08 | $7700.00 | Window Closed / Lapsed |