US2560937A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable cropping angle device
Assignee: MAGNUS RES Inc
•
Filing: 1948-05-06
•
Granted: 1951-07-17
•
Expires: 1968-05-06
Abstract
No abstract record available.
Inventors
- 👤 Emil J Ens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:36
CPC Classifications
G; G03; G03B; G03B27/00; G03B27/32; G03B27/52; G03B27/62; G03B27/6207; G03B27/6214; Y; Y10; Y10S; Y10S33/00; Y10S33/09
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US456105A
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US636098A
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US760297A
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US1183977A
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US1461392A
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US1661151A
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US1662066A
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US2054503A
Cited
US2124659A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-07-16 | 1955-01-15 | 1955-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-16 | 1959-01-15 | 1959-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-16 | 1963-01-15 | 1963-07-17 | $7700.00 | Window Closed / Lapsed |