Patent GB306367A successfully refreshed from Google Patents.
US2624507A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electronic calculating machine
Assignee: International Business Machines Corp
•
Filing: 1945-09-27
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Granted: 1953-01-06
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Expires: 1965-09-27
Abstract
No abstract record available.
Inventors
- 👤 Byron E Phelps
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:53
CPC Classifications
G; G06; G06F; G06F7/00; G06F7/38; G06F7/48; G06F7/491; G06F7/498; G06F7/4983; G06F7/4985; G06C; G06C11/00; G06C11/08; G06F7/4915
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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Cited
US2346616A
Cited
US2402988A
Cited
US2465355A
Cited
US2484081A
Cited
US2442428A
Cited
US2502360A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-01-06 | 1956-07-07 | 1957-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-01-06 | 1960-07-07 | 1961-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-01-06 | 1964-07-07 | 1965-01-06 | $7700.00 | Window Closed / Lapsed |