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Patent US2840376A successfully refreshed from Google Patents.
US2840376A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Propeller rollers for printing machines
Assignee: R Hoe and Co Inc
•
Filing: 1954-04-02
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Granted: 1958-06-24
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Expires: 1974-04-02
Abstract
No abstract record available.
Inventors
- 👤 Charles A Harless
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 09:14
CPC Classifications
B; B65; B65H; B65H29/00; B65H29/12; B65H2701/00; B65H2701/10; B65H2701/19; B65H2701/1932
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1642782A
Cited
US1840319A
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US1722373A
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GB329947A
Cited
US1937510A
Cited
US2076241A
Cited
US2163035A
Cited
DE711160C
Cited
US2625878A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-06-23 | 1961-12-23 | 1962-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-23 | 1965-12-23 | 1966-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-23 | 1969-12-23 | 1970-06-24 | $7700.00 | Window Closed / Lapsed |