US2980444A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Memorandum device
Assignee: Individual
•
Filing: 1958-01-23
•
Granted: 1961-04-18
•
Expires: 1978-01-23
Abstract
No abstract record available.
Inventors
- 👤 Samuel M Radzyner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:22
CPC Classifications
B; B42; B42D; B42D19/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US727369A
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US768980A
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US1365082A
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US1538795A
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US1699708A
Cited
US1958417A
Cited
US2223225A
Cited
US2428388A
Cited
US2502590A
Cited
US2782559A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-04-17 | 1964-10-17 | 1965-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-17 | 1968-10-17 | 1969-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-17 | 1972-10-17 | 1973-04-18 | $7700.00 | Window Closed / Lapsed |