US2895245A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Individual
•
Filing: 1955-04-25
•
Granted: 1959-07-21
•
Expires: 1975-04-25
Abstract
No abstract record available.
Inventors
- 👤 Spangler Bernard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:06
CPC Classifications
G; G09; G09F; G09F13/00; G09F13/04; G09F13/0404
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR585004A
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CH118571A
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GB293595A
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FR700515A
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US1820913A
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US2298940A
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US2269675A
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US2507875A
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US2626473A
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US2562553A
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US2607144A
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US2778134A
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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) | 1962-07-20 | 1963-01-19 | 1963-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-07-20 | 1967-01-19 | 1967-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-07-20 | 1971-01-19 | 1971-07-21 | $7700.00 | Window Closed / Lapsed |