US3415515A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rubber cord skipping rope and exerciser
Assignee: JAN H OTTO
•
Filing: 1966-01-03
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Granted: 1968-12-10
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Expires: 1986-01-03
Abstract
No abstract record available.
Inventors
- 👤 Jan H Otto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:23
CPC Classifications
A; A63; A63B; A63B5/00; A63B5/20; A63B21/00; A63B21/02; A63B21/055; A63B21/0552; A63B21/16; A63B21/1672; A63B21/04; A63B21/0442; A63B21/0555; A63B21/1618; A63B21/1645
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-10 | 1972-06-10 | 1972-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-10 | 1976-06-10 | 1976-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-10 | 1980-06-10 | 1980-12-10 | $7700.00 | Window Closed / Lapsed |