Patent US5021945A successfully refreshed from Google Patents.
Patent US3266175A successfully refreshed from Google Patents.
US3266175A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Force measuring educational kit
Assignee: Individual
•
Filing: 1964-02-14
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Granted: 1966-08-16
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Expires: 1984-02-14
Abstract
No abstract record available.
Inventors
- 👤 Robert F Palumbi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:40
CPC Classifications
G; G09; G09B; G09B23/00; G09B23/06; G09B23/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
A DEMONSTRATION KIT, COMPRISING, A CASE HAVING A BOTTOM SIDE, A PAIR OF OPPOSITE SIDES HINGEDLY CONNECTED TO SAID BOTTOM SIDE, SAID PAIR OF OPPOSITE SIDES BEING UNFOLDABLE WITH RESPECT TO SAID BOTTOM SIDE TO FORM A RIGID CO-PLANAR STRUCTURE THEREWITH, A TOP SIDE MOUNTED ON ONE OF SAID OPPOSITE SIDES AND REMOVABLY SECURED TO THE OTHER OF SAID OPPOSITE SIDES, SAID TOP SIDE BEING FOR ELEVATING ONE END OF SAID RIGID CO-PLANAR STRUCTURE TO FORM AN INCLINED PLANE, AND A PAIR OF PANELS REMOVABLY POSITIONED BETWEEN SAID PAIR OF OPPOSITE SIDES AND SAID BOTTOM AND TOP SIDES TO FORM SAID CASE, AND DEMONSTRATION MEANS POSITIONED WITHIN SAID CASE.
Claim 2
Dependent Claim
109 words
A DEMONSTRATION KIT, COMPRISING, A CASE HAVING A BOTTOM SIDE, A PAIR OF OPPOSITE SIDES HINGEDLY CONNECTED TO SAID BOTTOM SIDE, SAID PAIR OF OPPOSITE SIDES BEING UNFOLDABLE WITH RESPECT TO SAID BOTTOM SIDE TO FORM A RIGID CO-PLANAR STRUCTURE THEREWITH, A TOP SIDE MOUNTED ON ONE OF SAID OPPOSITE SIDES AND REMOVABLY SECURED TO THE OTHER OF SAID OPPOSITE SIDES, SAID TOP SIDE BEING FOR ELEVATING ONE END OF SAID RIGID CO-PLANAR STRUCTURE TO FORM AN INCLINED PLANE, AND A PAIR OF PANELS REMOVABLY POSITIONED BETWEEN SAID PAIR OF OPPOSITE SIDES AND SAID BOTTOM AND TOP SIDES TO FORM SAID CASE, AND DEMONSTRATION MEANS POSITIONED WITHIN SAID CASE.
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) | 1969-08-15 | 1970-02-14 | 1970-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-15 | 1974-02-14 | 1974-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-15 | 1978-02-14 | 1978-08-16 | $7700.00 | Window Closed / Lapsed |