US3394932A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable counterweighted hurdle
Assignee: LEWIS D LEFLAR
•
Filing: 1966-01-12
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Granted: 1968-07-30
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Expires: 1986-01-12
Abstract
No abstract record available.
Inventors
- 👤 Lewis D Leflar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:32
CPC Classifications
A; A63; A63K; A63K3/00; A63K3/04; A63K3/043
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
74 words
A HURDLE COMPRISING, A FRAMEWORK OF ANGULAR FORM HAVING SPACED UPRIGHT PORTIONS AND SPACED GROUND ENGAGING HORIZONTAL PORTIONS, A HORIZONTAL CROSS BAR, MEANS MOUNTING THE CROSS BAR ON SAID UPRIGHT PORTION FOR VERTICAL ADJUSTMENT TO ANY ONE OF A PLURALITY OF VERTICALLY SPACED POSITIONS, A T-SHAPED COUNTERWEIGHT ELEMENT DISPOSED IN A HORIZONTAL PLANE, THE HEAD OF SAID ELEMENT COMPRISING A WEIGHT EXTENDING BETWEEN SAID HORIZONTAL PORTIONS AND SLIDABLY ENGAGING SAID HORIZONTAL PORTIONS AT THE
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) | 1971-07-30 | 1972-01-29 | 1972-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-30 | 1976-01-29 | 1976-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-30 | 1980-01-29 | 1980-07-30 | $7700.00 | Window Closed / Lapsed |