US3284930A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Footwear ventilating device
Assignee: Individual
•
Filing: 1963-10-23
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Granted: 1966-11-15
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Expires: 1983-10-23
Abstract
No abstract record available.
Inventors
- 👤 Gerald L Baldwin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 06:17
CPC Classifications
A; A43; A43B; A43B7/00; A43B7/06; A43B7/08; A43B7/081
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
167 words
A VENTILATING STRUCTURE FOR FOOTWEAR HAVING A SOLE AND AN UPPER FOOT ENCLOSING BODY, COMPRISING (A) A PUMP AND AIR DISTRIBUTING ENCLOSURE FORMING A PORTION OF THE SOLE CONSTRUCTION AND HAVING AN AIR PUMP MEANS DISPOSED TO THE INNER SIDE EDGE OF THE SOLE AND RESTRICTED TO ALIGNMENT WITH THE INNER SHANK PORTION THEREOF, (B) AN AIR INLET MEANS SECURED TO THE INNERMOST EDGE OF THE AIR PUMP MEANS AND HAVING VALVE MEANS LIMITING AIR FLOW INTO THE PUMP MEANS ONLY, (C) AIR DISCHARGE PASSAGEWAYS FORMED IN THE ENCLOSURE AND EXTENDING LONGITUDINALLY FROM THE PUMP MEANS AND TERMINATING IN UPWARDLY DIRECTED OPENINGS IN THE ENCLOSURE AND HAVING VALVE MEANS PERMITTING AIR FLOW FROM THE PUMP MEANS, (D) RESILIENT MEANS LOCATED IN THE INNER SHANK PORTION AND OVERLYING SAID PUMP CHAMBER AND OPERABLE TO ACTUATE SAID PUMP MEANS IN RESPONSE TO THE MOVEMENT OF THE ARCH OF THE USER, AND (E) A SELF-SUPPORTING MESH FILLING SAID AIR DISCHARGE PASSAGEWAYS TO PREVENT COLLAPSE OF SAID ENCLOSURE INTO SAID PASSAGEWAYS.
Claim 2
Dependent Claim
167 words
A VENTILATING STRUCTURE FOR FOOTWEAR HAVING A SOLE AND AN UPPER FOOT ENCLOSING BODY, COMPRISING (A) A PUMP AND AIR DISTRIBUTING ENCLOSURE FORMING A PORTION OF THE SOLE CONSTRUCTION AND HAVING AN AIR PUMP MEANS DISPOSED TO THE INNER SIDE EDGE OF THE SOLE AND RESTRICTED TO ALIGNMENT WITH THE INNER SHANK PORTION THEREOF, (B) AN AIR INLET MEANS SECURED TO THE INNERMOST EDGE OF THE AIR PUMP MEANS AND HAVING VALVE MEANS LIMITING AIR FLOW INTO THE PUMP MEANS ONLY, (C) AIR DISCHARGE PASSAGEWAYS FORMED IN THE ENCLOSURE AND EXTENDING LONGITUDINALLY FROM THE PUMP MEANS AND TERMINATING IN UPWARDLY DIRECTED OPENINGS IN THE ENCLOSURE AND HAVING VALVE MEANS PERMITTING AIR FLOW FROM THE PUMP MEANS, (D) RESILIENT MEANS LOCATED IN THE INNER SHANK PORTION AND OVERLYING SAID PUMP CHAMBER AND OPERABLE TO ACTUATE SAID PUMP MEANS IN RESPONSE TO THE MOVEMENT OF THE ARCH OF THE USER, AND (E) A SELF-SUPPORTING MESH FILLING SAID AIR DISCHARGE PASSAGEWAYS TO PREVENT COLLAPSE OF SAID ENCLOSURE INTO SAID PASSAGEWAYS.
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) | 1969-11-14 | 1970-05-16 | 1970-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-14 | 1974-05-16 | 1974-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-14 | 1978-05-16 | 1978-11-15 | $7700.00 | Window Closed / Lapsed |