Patent AU449029B2 successfully refreshed from Google Patents.
US3428950A
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US
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Programmable calculating apparatus
Assignee: Wang Laboratories Inc
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Filing: 1966-03-22
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Granted: 1969-02-18
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Expires: 1986-03-22
Abstract
No abstract record available.
Inventors
- 👤 Ned Chang
- 👤 Prentice I Robinson
- 👤 An Wang
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:31
CPC Classifications
G; G11; G11C; G11C17/00; G06; G06F; G06F15/00; G06F15/02; G06F15/04; G06F3/00; G06F3/06; G06F3/08; G06F7/00; G06F7/38; G06F7/48; G06F7/544; G06F7/556; G06F9/00; G06F9/06; G06F9/44; G06F9/448; G06F9/4482; G06F9/4484
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3000555A
Cited
US3239820A
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US3277446A
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US3267433A
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US3328763A
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US3330946A
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US3303477A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-02-18 | 1972-08-19 | 1973-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-18 | 1976-08-19 | 1977-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-18 | 1980-08-19 | 1981-02-18 | $7700.00 | Window Closed / Lapsed |