US2568458A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making calendar mounts
Assignee: Winthrop Atkins Co Inc
•
Filing: 1947-12-12
•
Granted: 1951-09-18
•
Expires: 1967-12-12
Abstract
No abstract record available.
Inventors
- 👤 Gordon E Nichols
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:04
CPC Classifications
A; A47; A47G; A47G1/00; A47G1/14; A47G1/141; B; B31; B31D; B31D5/00; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1052; Y10T156/1056; Y10T156/1057
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2405409A
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US2417175A
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US2483236A
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US2454521A
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US2491281A
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US2496884A
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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) | 1954-09-17 | 1955-03-19 | 1955-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-09-17 | 1959-03-19 | 1959-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-09-17 | 1963-03-19 | 1963-09-18 | $7700.00 | Window Closed / Lapsed |