US2984921A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Microfilm record card
Assignee: PCI Inc
•
Filing: 1959-04-24
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Granted: 1961-05-23
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Expires: 1979-04-24
Abstract
No abstract record available.
Inventors
- 👤 Leonard A Herzig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:01
CPC Classifications
G; G06; G06K; G06K19/00; G06K19/02; G06K19/022; B; B42; B42F; B42F19/00; G03; G03B; G03B21/00; G03B21/54; G03B21/64; Y; Y10; Y10S; Y10S493/00; Y10S493/944
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) | 1964-05-22 | 1964-11-21 | 1965-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-22 | 1968-11-21 | 1969-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-22 | 1972-11-21 | 1973-05-23 | $7700.00 | Window Closed / Lapsed |