US2906236A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Revolving cylindrical frame for selenium depositors
Assignee: Syntron Co
•
Filing: 1954-05-11
•
Granted: 1959-09-29
•
Expires: 1974-05-11
Abstract
No abstract record available.
Inventors
- 👤 Smith Cleveland Scudder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:41
CPC Classifications
C; C30; C30B; C30B35/00; C23; C23C; C23C14/00; C23C14/22; C23C14/34
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US592839A
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US615906A
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US710102A
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US1432940A
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US1647360A
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US1927668A
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US2621624A
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US2655128A
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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) | 1962-09-28 | 1963-03-30 | 1963-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-28 | 1967-03-30 | 1967-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-28 | 1971-03-30 | 1971-09-29 | $7700.00 | Window Closed / Lapsed |