US3446503A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pull type exercising device
Assignee: VERT W EDWARD BERKELY CALIFORNIA 2312 EASTRIDGE MENLO PARK CALIDORNIA 94025
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Filing: 1967-03-17
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Granted: 1969-05-27
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Expires: 1987-03-17
Abstract
No abstract record available.
Inventors
- 👤 Donald C Lawton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:50
CPC Classifications
A; A63; A63B; A63B21/00; A63B21/06; A63B21/068; A63B21/40; A63B21/4041; A63B21/4047; A63B22/00; A63B22/0076; A63B2022/0082; A63B2022/0084; A63B22/0087; A63B22/0089
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE497059C
Cited
US2825563A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-05-26 | 1972-11-25 | 1973-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-26 | 1976-11-25 | 1977-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-26 | 1980-11-25 | 1981-05-27 | $7700.00 | Window Closed / Lapsed |