US2798514A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for manufacturing tubular lamps
Assignee: Westinghouse Electric Corp
•
Filing: 1952-03-28
•
Granted: 1957-07-09
•
Expires: 1972-03-28
Abstract
No abstract record available.
Inventors
- 👤 Mullan Daniel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:32
CPC Classifications
H; H01; H01J; H01J5/00; H01J5/20; H01J5/22; H01J5/24; H01J2893/00; H01J2893/0033; H01J2893/0037; H01J2893/0038; H01J2893/0039
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1816683A
Cited
US1821894A
Cited
US1935248A
Cited
US2069386A
Cited
US2085678A
Cited
US2120877A
Cited
US2359500A
Cited
US2297950A
Cited
US2262901A
Cited
US2525043A
Cited
US2387074A
Cited
US2554013A
Cited
US2508979A
Cited
US2590904A
Cited
US2650634A
Cited
US2711791A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-07-08 | 1961-01-07 | 1961-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-08 | 1965-01-07 | 1965-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-08 | 1969-01-07 | 1969-07-09 | $7700.00 | Window Closed / Lapsed |