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Patent US3493229A successfully refreshed from Google Patents.
US3493229A
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Jumping loop having a crank arm and support means
Assignee: Ramney Ind Corp
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Filing: 1967-11-06
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Granted: 1970-02-03
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Expires: 1987-11-06
Abstract
No abstract record available.
Inventors
- 👤 Thomas J Ramsey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 10:12
CPC Classifications
A; A63; A63B; A63B5/00; A63B5/20; A63B22/00; A63B22/0002; A63B22/0005; A63B22/06; A63B22/0605; A63B21/00; A63B21/16; A63B21/1618; A63B21/1627; A63B2208/00; A63B2208/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US169625A
Cited
US2493224A
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US2919919A
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US3074717A
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US3064972A
Cited
US3118666A
Cited
US3107916A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-02 | 1973-08-04 | 1974-02-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-02 | 1977-08-04 | 1978-02-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-02 | 1981-08-04 | 1982-02-03 | $7700.00 | Window Closed / Lapsed |