US2648166A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Internal lathe burner
Assignee: Collins Radio Co
•
Filing: 1950-03-06
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Granted: 1953-08-11
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Expires: 1970-03-06
Abstract
No abstract record available.
Inventors
- 👤 Floyd A Fisher
- 👤 Walter H Kohl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 05:10
CPC Classifications
C; C03; C03B; C03B23/00; C03B23/20; C03B23/207; C03B23/04; C03B23/045; Y; Y10; Y10T; Y10T82/00; Y10T82/25; Y10T82/2552; Y10T82/2562
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-08-10 | 1957-02-09 | 1957-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-10 | 1961-02-09 | 1961-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-10 | 1965-02-09 | 1965-08-11 | $7700.00 | Window Closed / Lapsed |