Patent US2098849A successfully refreshed from Google Patents.
Patent US2756079A successfully refreshed from Google Patents.
US2756079A
Expired / Lapsed
US
⏱️ 0.0 years remaining
W-v band coupling
Assignee: Marmac Products Inc
•
Filing: 1953-03-26
•
Granted: 1956-07-24
•
Expires: 1973-03-26
Abstract
No abstract record available.
Inventors
- 👤 Herman Albert Dale
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:21
CPC Classifications
F; F16; F16L; F16L23/00; F16L23/04; F16L23/08; F16L23/10; F16B; F16B2200/00; F16B2200/50; F16B2200/503
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
GB189520895A
Cited
US2014313A
Cited
US2403606A
Cited
US2424436A
Cited
US2473459A
Cited
US2548249A
Cited
US2703722A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-07-24 | 1960-01-23 | 1960-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-07-24 | 1964-01-23 | 1964-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-07-24 | 1968-01-23 | 1968-07-24 | $7700.00 | Window Closed / Lapsed |