US3029537A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Card holder
Assignee: HOPP PRESS Inc
•
Filing: 1958-01-20
•
Granted: 1962-04-17
•
Expires: 1978-01-20
Abstract
No abstract record available.
Inventors
- 👤 Hopp Philip
- 👤 Mallman Estelle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 05:41
CPC Classifications
G; G09; G09F; G09F3/00; G09F3/08; G09F3/18; G09F3/20; G09F3/203
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US447708A
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US653672A
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US993674A
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US1197065A
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US1254407A
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FR579720A
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US1888811A
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US2334487A
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US2547673A
Cited
US2540718A
Cited
US2581762A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-16 | 1965-10-16 | 1966-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-16 | 1969-10-16 | 1970-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-16 | 1973-10-16 | 1974-04-17 | $7700.00 | Window Closed / Lapsed |