Patent US3447992A successfully refreshed from Google Patents.
US3447992A
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Assignee: Hobart Corp
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Filing: 1965-08-11
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Granted: 1969-06-03
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Expires: 1985-08-11
Abstract
No abstract record available.
Inventors
- 👤 Kenneth C Allen
- 👤 Helmut A Vauk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:39
CPC Classifications
B; B65; B65C; B65C11/00; B65C11/02; B65C11/0205; B65C11/021; B65C11/0215; B65C11/0236; B65C11/0247; B65C1/00; B65C1/02; B65C1/021; B65C9/00; B65C9/08; B65C9/18; B65C9/1865; B65C9/46; B65C2210/00; B65C2210/0072; B65C2210/0089; Y; Y10; Y10T; Y10T156/00; Y10T156/17; Y10T156/1702; Y10T156/1705; Y10T156/1707; Y10T156/171
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA737307A
Cited
US2687819A
Cited
US2948466A
Cited
US3145792A
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US3240652A
Cited
US3193211A
Cited
US3238080A
Cited
US3321105A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-02 | 1972-12-02 | 1973-06-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-02 | 1976-12-02 | 1977-06-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-02 | 1980-12-02 | 1981-06-03 | $7700.00 | Window Closed / Lapsed |