US3520252A
Expired / Lapsed
US
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Assignee: Gang Nail Systems Inc
•
Filing: 1967-10-13
•
Granted: 1970-07-14
•
Expires: 1987-10-13
Abstract
No abstract record available.
Inventors
- 👤 John C Jureit
- 👤 Oscar Csakvary
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:57
CPC Classifications
B; B27; B27F; B27F7/00; B27F7/15; B27F7/155; B30; B30B; B30B1/00; B30B1/10; B30B1/16; Y; Y10; Y10S; Y10S100/00; Y10S100/913
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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DE613229C
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US2928305A
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US3198108A
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US3100301A
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US3172125A
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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) | 1973-07-13 | 1974-01-12 | 1974-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-07-13 | 1978-01-12 | 1978-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-07-13 | 1982-01-12 | 1982-07-14 | $7700.00 | Window Closed / Lapsed |