US3343851A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Card documents
Assignee: International Business Machines Corp
•
Filing: 1965-12-22
•
Granted: 1967-09-26
•
Expires: 1985-12-22
Abstract
No abstract record available.
Inventors
- 👤 Sr Richard A Bensler
- 👤 Robert W Mitchell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 08:06
CPC Classifications
B; B42; B42D; B42D5/00; B42D5/02; B42D5/023; B42D5/027
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2217506A
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US2226574A
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US2220499A
Cited
US2319165A
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US2700556A
Cited
US2931666A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-09-25 | 1971-03-27 | 1971-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-25 | 1975-03-27 | 1975-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-25 | 1979-03-27 | 1979-09-26 | $7700.00 | Window Closed / Lapsed |