US2967723A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tube coupling
Assignee: ON MARK COUPLINGS Inc
•
Filing: 1957-07-01
•
Granted: 1961-01-10
•
Expires: 1977-07-01
Abstract
No abstract record available.
Inventors
- 👤 Barry B Willis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:23
CPC Classifications
F; F16; F16L; F16L27/00; F16L27/10; F16L27/113; F16L27/1136; F16L27/12; F16L27/127; F16L27/1274
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US755442A
Cited
US1622768A
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US1928821A
Cited
GB382966A
Cited
US2346051A
Cited
US2479960A
Cited
US2781207A
Cited
US2826437A
Cited
US2883211A
Cited
US2778661A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-01-10 | 1964-07-11 | 1965-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-10 | 1968-07-11 | 1969-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-10 | 1972-07-11 | 1973-01-10 | $7700.00 | Window Closed / Lapsed |