US3480274A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gymnastic amusement device
Assignee: CROSSBOW Inc
•
Filing: 1966-02-08
•
Granted: 1969-11-25
•
Expires: 1986-02-08
Abstract
No abstract record available.
Inventors
- 👤 Robert Boggild
- 👤 William L Dale
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 22:30
CPC Classifications
A; A63; A63B; A63B9/00; A63B2208/00; A63B2208/12; A63B2244/00; A63B2244/22; A63B2244/225
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2198537A
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US2887319A
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US2906531A
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US2949298A
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US3216727A
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US3246893A
Cited
US3268223A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-24 | 1973-05-26 | 1973-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-24 | 1977-05-26 | 1977-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-24 | 1981-05-26 | 1981-11-25 | $7700.00 | Window Closed / Lapsed |