Patent US2999455A successfully refreshed from Google Patents.
US2999455A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of and apparatus for increasing the efficiency of printing machines
Assignee: Individual
•
Filing: 1958-04-07
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Granted: 1961-09-12
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Expires: 1978-04-07
Abstract
No abstract record available.
Inventors
- 👤 Zeimer Harry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-10 01:38
CPC Classifications
B; B41; B41F; B41F13/00; B41F13/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1658096A
Cited
US1658095A
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US2090158A
Cited
US2084827A
Cited
US2222143A
Cited
US2429177A
Cited
US2649044A
Cited
US2574200A
Cited
US2857158A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-09-11 | 1965-03-13 | 1965-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-11 | 1969-03-13 | 1969-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-11 | 1973-03-13 | 1973-09-12 | $7700.00 | Window Closed / Lapsed |