Patent US2900135A successfully refreshed from Google Patents.
US2900135A
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Digital differential analyzers
Assignee: Bendix Aviation Corp
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Filing: 1953-06-18
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Granted: 1959-08-18
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Expires: 1973-06-18
Abstract
No abstract record available.
Inventors
- 👤 Reno V Benaglio
- 👤 Jack M Patterson
- 👤 Charles A Piper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:08
CPC Classifications
G; G06; G06F; G06F7/00; G06F7/60; G06F7/64; G06F7/66
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2701095A
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US2841328A
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US2749037A
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US2700696A
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US2850232A
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US2679035A
Cited
US2674733A
Cited
US2852187A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-08-17 | 1963-02-16 | 1963-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-17 | 1967-02-16 | 1967-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-17 | 1971-02-16 | 1971-08-18 | $7700.00 | Window Closed / Lapsed |