Patent FR963046A successfully refreshed from Google Patents.
US3549397A
Expired / Lapsed
US
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Method for developing finger prints
Assignee: World Associates Inc
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Filing: 1969-02-03
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Granted: 1970-12-22
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Expires: 1989-02-03
Abstract
No abstract record available.
Inventors
- 👤 Hugh C Mcdonald
- 👤 Thomas J Nolan
- 👤 George W Hoffer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:59
CPC Classifications
A; A61; A61B; A61B5/00; A61B5/117; A61B5/1171; A61B5/1172
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2874063A
Cited
US2986831A
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US3075852A
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US3132036A
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US3202092A
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US3492140A
Cited
US3408217A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-12-21 | 1974-06-22 | 1974-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-21 | 1978-06-22 | 1978-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-21 | 1982-06-22 | 1982-12-22 | $7700.00 | Window Closed / Lapsed |