US2993436A
Expired / Lapsed
US
⏱️ 0.0 years remaining
weingart
Assignee: —
•
Filing: —
•
Granted: 1961-07-25
•
Expires: 1978-07-25
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:28
CPC Classifications
G; G07; G07F; G07F17/00; G07F17/42; B; B41; B41J; B41J13/00; B41J13/10; B41J13/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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Cited
US2639665A
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US389667A
Cited
US2841265A
Cited
US1392929A
Cited
US345624A
Cited
US764615A
Cited
US1091498A
Cited
US1068947A
Cited
US1206766A
Cited
US1595519A
Cited
US2083061A
Cited
US2626565A
Cited
US2708873A
Cited
US2712788A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-24 | 1965-01-23 | 1965-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-24 | 1969-01-23 | 1969-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-24 | 1973-01-23 | 1973-07-25 | $7700.00 | Window Closed / Lapsed |