US3048398A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bowling pin handling machine
Assignee: DUFF DEVICES Inc
•
Filing: 1959-01-09
•
Granted: 1962-08-07
•
Expires: 1979-01-09
Abstract
No abstract record available.
Inventors
- 👤 Adolphe W Kalbfleisch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:06
CPC Classifications
A; A63; A63D; A63D5/00; A63D5/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2341476A
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US2853300A
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US2672341A
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US2645485A
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US2656187A
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US2781195A
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US2728575A
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US2629595A
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US2723123A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-06 | 1966-02-05 | 1966-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-06 | 1970-02-05 | 1970-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-06 | 1974-02-05 | 1974-08-07 | $7700.00 | Window Closed / Lapsed |