US2709414A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coating machine for cathode ray tubes
Assignee: GTE Sylvania Inc
•
Filing: 1951-09-18
•
Granted: 1955-05-31
•
Expires: 1971-09-18
Abstract
No abstract record available.
Inventors
- 👤 Leo A Powell
- 👤 John J Regec
- 👤 Henry W Roeber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:57
CPC Classifications
H; H01; H01J; H01J29/00; H01J29/86; H01J29/88; H01J2229/00; H01J2229/88; H01J2229/882; Y; Y10; Y10S; Y10S118/00; Y10S118/03
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US221939A
Cited
US1064738A
Cited
US1173255A
Cited
US1281762A
Cited
US1424986A
Cited
US1871367A
Cited
US1592161A
Cited
US2035971A
Cited
US2138741A
Cited
US2232807A
Cited
US2449783A
Cited
US2586348A
Cited
US2569852A
Cited
US2589054A
Cited
US2600161A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-05-30 | 1958-11-29 | 1959-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-05-30 | 1962-11-29 | 1963-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-05-30 | 1966-11-29 | 1967-05-31 | $7700.00 | Window Closed / Lapsed |