US3424636A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making pocket-forming device for library cards
Assignee: BROCO A GENERAL PARTNERSHIP OF NY COMPOSED OF NUBRO Inc A DE CORP
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Filing: 1967-12-18
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Granted: 1969-01-28
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Expires: 1987-12-18
Abstract
No abstract record available.
Inventors
- 👤 Arthur Brody
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:19
CPC Classifications
B; B42; B42D; B42D3/00; B42D3/12; G; G09; G09F; G09F3/00; G09F3/08; G09F3/18; G09F3/20; G09F3/203; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1007; Y10T156/1008; Y10T156/101; Y10T156/1011; Y10T156/1052; Y10T156/1056; Y10T156/1057; Y10T156/1082; Y10T156/1084
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2097916A
Cited
US2304787A
Cited
US2496884A
Cited
US2611369A
Cited
US3297508A
Cited
US3250385A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-01-28 | 1972-07-29 | 1973-01-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-28 | 1976-07-29 | 1977-01-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-28 | 1980-07-29 | 1981-01-28 | $7700.00 | Window Closed / Lapsed |