US2783667A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electronic tube puller and replacer
Assignee: Individual
•
Filing: 1953-08-03
•
Granted: 1957-03-05
•
Expires: 1973-08-03
Abstract
No abstract record available.
Inventors
- 👤 Arthur L Wilson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:35
CPC Classifications
H; H01; H01J; H01J9/00; H01J9/003; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/5313; Y10T29/53174; Y10T29/53183; Y10T29/53274; Y10T29/53283; Y10T29/53909; Y10T29/53943; Y10T29/53952
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US455629A
Cited
US2647210A
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US1612884A
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US1656000A
Cited
US1725169A
Cited
US2239873A
Cited
US2294542A
Cited
US2370017A
Cited
US2572502A
Cited
US2474942A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-03-04 | 1960-09-03 | 1961-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-03-04 | 1964-09-03 | 1965-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-03-04 | 1968-09-03 | 1969-03-05 | $7700.00 | Window Closed / Lapsed |