Patent US4933853A successfully refreshed from Google Patents.
Patent US2835994A successfully refreshed from Google Patents.
US2835994A
Expired / Lapsed
US
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Marker
Assignee: HERBERT Co
•
Filing: 1954-11-15
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Granted: 1958-05-27
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Expires: 1974-11-15
Abstract
No abstract record available.
Inventors
- 👤 Herbert H Kuefner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:46
CPC Classifications
G; G09; G09F; G09F3/00; G09F3/08; G09F3/18; G09F3/20; G09F3/206
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US419605A
Cited
US519256A
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US528545A
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US1466222A
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US1616147A
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US1863633A
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US2219834A
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US2629952A
Cited
US2595530A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-05-26 | 1961-11-25 | 1962-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-26 | 1965-11-25 | 1966-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-26 | 1969-11-25 | 1970-05-27 | $7700.00 | Window Closed / Lapsed |