Patent US4048415A successfully refreshed from Google Patents.
US2842884A
Expired / Lapsed
US
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Debossed printed book cover
Assignee: HEINN Co
•
Filing: 1954-09-02
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Granted: 1958-07-15
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Expires: 1974-09-02
Abstract
No abstract record available.
Inventors
- 👤 Charles A Stevensen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:16
CPC Classifications
B; B41; B41M; B41M1/00; B41M1/24; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24479
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1960583A
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US2071031A
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US2282169A
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US2390663A
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US2392594A
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US2644778A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-07-14 | 1962-01-13 | 1962-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-14 | 1966-01-13 | 1966-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-14 | 1970-01-13 | 1970-07-15 | $7700.00 | Window Closed / Lapsed |