Patent US3466124A successfully refreshed from Google Patents.
US3469486A
Expired / Lapsed
US
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Paper punching device
Assignee: Individual
•
Filing: 1967-09-27
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Granted: 1969-09-30
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Expires: 1987-09-27
Abstract
No abstract record available.
Inventors
- 👤 Hildaur L Neilsen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:23
CPC Classifications
B; B26; B26F; B26F1/00; B26F1/02; B26F1/04; B26F1/32; B26F1/36; Y; Y10; Y10T; Y10T83/00; Y10T83/849; Y10T83/853; Y10T83/855; Y10T83/86; Y10T83/869; Y10T83/8727; Y10T83/8776; Y10T83/8785; Y10T83/8821; Y10T83/8828; Y10T83/8841; Y10T83/885
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1243656A
Cited
US1158499A
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US2382523A
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US2482218A
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US3120778A
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US3073199A
Cited
US3176570A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-29 | 1973-03-31 | 1973-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-29 | 1977-03-31 | 1977-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-29 | 1981-03-31 | 1981-09-30 | $7700.00 | Window Closed / Lapsed |