US2562376A
Expired / Lapsed
US
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Assignee: Delron Co Inc
•
Filing: 1949-09-24
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Granted: 1951-07-31
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Expires: 1969-09-24
Abstract
No abstract record available.
Inventors
- 👤 Kenneth B Cragg
- 👤 Carl G Thiene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:12
CPC Classifications
F; F16; F16B; F16B39/00; F16B39/22; F16B39/28; F16B39/36; Y; Y10; Y10S; Y10S411/00; Y10S411/924; Y10S411/929; Y10S411/935
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2391989A
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US2421201A
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US2438077A
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US2410730A
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US2451991A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-07-30 | 1955-01-29 | 1955-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-30 | 1959-01-29 | 1959-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-30 | 1963-01-29 | 1963-07-31 | $7700.00 | Window Closed / Lapsed |