US2992017A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pipe coupling having remotely controlled heating and cooling means
Assignee: Individual
•
Filing: 1956-09-05
•
Granted: 1961-07-11
•
Expires: 1976-09-05
Abstract
No abstract record available.
Inventors
- 👤 Theodore D Dritz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:16
CPC Classifications
G; G21; G21C; G21C15/00; G21C15/02; B; B23; B23Q; B23Q3/00; B23Q3/02; B23Q3/06; B23Q3/08; F; F16; F16L; F16L37/00; F16L37/002; F16L53/00; F16L53/30; F16L53/35; F16L53/38; F16L53/70; G21C13/00; G21C13/02; G21C13/06; Y; Y02; Y02E; Y02E30/00; Y02E30/30; Y10; Y10S; Y10S62/00; Y10S62/10; Y10T; Y10T137/00; Y10T137/1624; Y10T137/1797
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-10 | 1965-01-09 | 1965-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-10 | 1969-01-09 | 1969-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-10 | 1973-01-09 | 1973-07-11 | $7700.00 | Window Closed / Lapsed |