US2947865A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Impulse distributor
Assignee: International Business Machines Corp
•
Filing: 1957-03-01
•
Granted: 1960-08-02
•
Expires: 1977-03-01
Abstract
No abstract record available.
Inventors
- 👤 Estrems Eugeni
- 👤 Papo Maurice
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:32
CPC Classifications
G; G06; G06F; G06F9/00; G06F9/06; G06F9/30; G06F1/00; G06F1/02; G06F1/04; G06F1/10; H; H03; H03K; H03K17/00; H03K17/51; H03K17/54; H03K21/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-02 | 1964-02-01 | 1964-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-02 | 1968-02-01 | 1968-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-02 | 1972-02-01 | 1972-08-02 | $7700.00 | Window Closed / Lapsed |