US3244438A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Service head adapter
Assignee: Norton McMurray Manufacturing Co
•
Filing: 1963-05-15
•
Granted: 1966-04-05
•
Expires: 1983-05-15
Abstract
No abstract record available.
Inventors
- 👤 Louis W Bucheit
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:18
CPC Classifications
F; F16; F16L; F16L47/00; F16L47/005; F16L58/00; F16L58/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2735700A
Cited
US1956724A
Cited
GB490548A
Cited
US2282738A
Cited
US2268263A
Cited
US2546348A
Cited
US2709606A
Cited
GB829069A
Cited
US3185501A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-04 | 1969-10-04 | 1970-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-04 | 1973-10-04 | 1974-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-04 | 1977-10-04 | 1978-04-05 | $7700.00 | Window Closed / Lapsed |