US3345115A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Back seal for idler rollers
Assignee: Hewitt Robins Inc
•
Filing: 1964-10-27
•
Granted: 1967-10-03
•
Expires: 1984-10-27
Abstract
No abstract record available.
Inventors
- 👤 Francis B Olender
- 👤 George A Ward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:35
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/16; F16J15/32; B; B65; B65G; B65G39/00; B65G39/02; B65G39/09; F16C; F16C33/00; F16C33/72; F16C33/76; Y; Y10; Y10S; Y10S277/00; Y10S277/907
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US958193A
Cited
US1734266A
Cited
US1655335A
Cited
US1801655A
Cited
US1958412A
Cited
US2759777A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-02 | 1971-04-03 | 1971-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-02 | 1975-04-03 | 1975-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-02 | 1979-04-03 | 1979-10-03 | $7700.00 | Window Closed / Lapsed |