US3393932A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pipe fitting
Assignee: Chicago Fittings Corp
•
Filing: 1967-07-06
•
Granted: 1968-07-23
•
Expires: 1987-07-06
Abstract
No abstract record available.
Inventors
- 👤 Earl E Howe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:09
CPC Classifications
F; F16; F16L; F16L19/00; F16L19/08; F16L19/083; F16L19/086; F16L19/06; F16L19/075
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1473300A
Cited
US2491004A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-23 | 1972-01-22 | 1972-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-23 | 1976-01-22 | 1976-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-23 | 1980-01-22 | 1980-07-23 | $7700.00 | Window Closed / Lapsed |