Patent US2738207A successfully refreshed from Google Patents.
US2738207A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Waveguide coupling clamp with spring aligning means
Assignee: Individual
•
Filing: 1953-03-26
•
Granted: 1956-03-13
•
Expires: 1973-03-26
Abstract
No abstract record available.
Inventors
- 👤 Jr Lester A Twigg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:06
CPC Classifications
H; H01; H01P; H01P1/00; H01P1/04; H01P1/042; F; F16; F16B; F16B2200/00; F16B2200/50; F16B2200/509
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US133707A
Cited
US620623A
Cited
US662736A
Cited
US995893A
Cited
US1290590A
Cited
GB313768A
Cited
US2241263A
Cited
US2395745A
Cited
US2643139A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-03-13 | 1959-09-12 | 1960-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-03-13 | 1963-09-12 | 1964-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-03-13 | 1967-09-12 | 1968-03-13 | $7700.00 | Window Closed / Lapsed |