Patent US2804678A successfully refreshed from Google Patents.
US2804678A
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Roll
Assignee: Dayton Rubber Co
•
Filing: 1953-09-30
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Granted: 1957-09-03
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Expires: 1973-09-30
Abstract
No abstract record available.
Inventors
- 👤 Rockoff Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 08:13
CPC Classifications
B; B05; B05C; B05C1/00; B05C1/04; B05C1/08; B05C1/0808; B05C11/00; B05C11/02; B05C11/023; B05C11/025; B29; B29K; B29K2021/00; B29L; B29L2031/00; B29L2031/32; B29L2031/324
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1950621A
Cited
US1940528A
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FR764663A
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US2638457A
Cited
US2569546A
Cited
GB610170A
Cited
US2600461A
Cited
US2643234A
Cited
US2617129A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-09-02 | 1961-03-04 | 1961-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-02 | 1965-03-04 | 1965-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-02 | 1969-03-04 | 1969-09-03 | $7700.00 | Window Closed / Lapsed |