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Patent US3434240A successfully refreshed from Google Patents.
US3434240A
Expired / Lapsed
US
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Apparatus for finishing endless metallic belts
Assignee: Hoover Universal Inc
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Filing: 1966-11-21
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Granted: 1969-03-25
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Expires: 1986-11-21
Abstract
No abstract record available.
Inventors
- 👤 Vernon A Phelps
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 06:03
CPC Classifications
B; B24; B24B; B24B7/00; B24B7/10; B24B7/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US211296A
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US396553A
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US1157844A
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US2705391A
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US2986849A
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US3036408A
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US3150468A
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US3165865A
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US3325947A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-24 | 1972-09-23 | 1973-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-24 | 1976-09-23 | 1977-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-24 | 1980-09-23 | 1981-03-25 | $7700.00 | Window Closed / Lapsed |