Patent US3248075A successfully refreshed from Google Patents.
US3248075A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Kites
Assignee: Individual
•
Filing: 1963-02-25
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Granted: 1966-04-26
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Expires: 1983-02-25
Abstract
No abstract record available.
Inventors
- 👤 Francis V Cunningham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:40
CPC Classifications
A; A63; A63H; A63H27/00; A63H27/08
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
187 words
A KITE INCLUDING SHEET MATERIAL HAVING A CONFIGURATION TO DEFINE A BODY OF ESSENTIALLY TRIANGULAR SHAPE COMPRISED OF MARGINAL EDGES DIVERGING DOWNWARDLY FROM AN APEX, STIFFENING MEANS EXTENDING LONGITUDINALLY OF SAID BODY AT THE MEDIAL PORTION THEREOF, ADDITIONAL STIFFENING MEANS SPACED OUTWARDLY FROM SAID FIRST NAMED STIFFENING MEANS AND ON BOTH SIDES THEREOF AND POSITIONED ON SAID MARGINAL EDGES IN DOWNWARDLY DIVERGING RELATION RELATIVE TO EACH OTHER, SAID SHEET MATERIAL BEING FIXED TO EACH SAID STIFFENING MEANS, MEANS HOLDING SAID ADDITIONAL STIFFENING MEANS IN SAID SPACED RELATION, SAID LONGITUDINAL STIFFENING MEANS BEING FLEXIBLY INTERCONNECTED WITH SAID ADDITIONAL STIFFENING MEANS SO AS TO ALLOW MOVEMENT OF SAID LONGITUDINAL STIFFENING MEANS WITH RELATION TO SAID ADDITIONAL STIFFENING MEANS AND TO AND FROM A FIRST POSITION GENERALLY ALIGNED WITHIN SAID ADDITIONAL STIFFENING MEANS, A POSITION DEFINING, WITH SAID ADDITIONAL STIFFENING MEANS, A GENERALLY V-SHAPED KEEL-LIKE CROSS SECTION OF AN EXTENT SUFFICIENT FOR FLYING CONDITIONS, SAID SHEET MATERIAL HAVING SUFFICIENT FULLNESS BETWEEN SAID STIFFENING MEANS TO ALLOW SAID MOVEMENT WHILE SAID ADDITIONAL STIFFENING MEANS ARE IN SAID SPACED RELATION, AND MEANS FOR ATTACHING A MANIPULATING LINE TO SAID MEDIAL STIFFENING MEANS.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-25 | 1969-10-25 | 1970-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-25 | 1973-10-25 | 1974-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-25 | 1977-10-25 | 1978-04-26 | $7700.00 | Window Closed / Lapsed |