Patent US3416792A successfully refreshed from Google Patents.
US3416792A
Expired / Lapsed
US
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Balancing exerciser platform with shock absorber means
Assignee: ROBERT S MORGAN
•
Filing: 1966-02-04
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Granted: 1968-12-17
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Expires: 1986-02-04
Abstract
No abstract record available.
Inventors
- 👤 Robert S Morgan
- 👤 James T Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:53
CPC Classifications
A; A63; A63B; A63B22/00; A63B22/16; A63B71/00; A63B71/0054; A63B2071/0063
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1898466A
Cited
US2253996A
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US2714007A
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US2726845A
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US2930613A
Cited
US2941801A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-17 | 1972-06-17 | 1972-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-17 | 1976-06-17 | 1976-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-17 | 1980-06-17 | 1980-12-17 | $7700.00 | Window Closed / Lapsed |