US3154392A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Boot dryer
Assignee: Individual
•
Filing: 1963-03-13
•
Granted: 1964-10-27
•
Expires: 1983-03-13
Abstract
No abstract record available.
Inventors
- 👤 Erwin J Littman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 04:48
CPC Classifications
A; A47; A47L; A47L23/00; A47L23/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
179 words
A BOOT DRYER COMPRISING A GENERALLY L-SHAPED MEMBER HAVING AN ARCUATE WALL PORTION ADAPTED TO FACE THE HEEL OF A BOOT IN WHICH THE BOOT DRYER IS ADAPTED TO BE INSERTED AND HAVING A FIRST TUBULAR PORTION ADAPTED TO BE CONNECTED AT ONE END TO A SOURCE OF AIR AND CONNECTED INTEGRALLY AT THE OTHER END TO A SECOND TUBULAR MEMBER EXTENDING TRANSVERSELY THEREFORM, SAID SECOND TUBULAR PORTION BEING ADAPTED TO BE INSERTED ENTIRELY INTO A BOOT TO BE DRIED, MEANS DEFINING A FIRST OPENING AT THE END OF SAID L-SHAPED MEMBER FOR DIRECTING AIR TOWARD THE TOE OF THE BOOT AND MEANS DEFINING A SECOND OPENING IN THE ARCUATE WALL PORTION IN THE L-SHAPED MEMBER WHICH IS AN ELONGATED SLOT FOR DIRECTING AIR TOWARD THE REAR AND BOTTOM OF THE BOOT, THE EFFECTIVE AREA OF SAID FIRST OPENING MEANS BEING AT LEAST TWICE THE EFFECTIVE AREA OF THE SECOND OPENING MEANS, AND SPACER MEANS EXTENDING FROM SAID SECOND TUBULAR PORTION FOR SPACING THE BOOT FROM SAID SECOND TUBULAR PORTION TO ASSURE EFFECTIVE CIRCULATION OF AIR THROUGH THE BOOT.
Claim 2
Dependent Claim
179 words
A BOOT DRYER COMPRISING A GENERALLY L-SHAPED MEMBER HAVING AN ARCUATE WALL PORTION ADAPTED TO FACE THE HEEL OF A BOOT IN WHICH THE BOOT DRYER IS ADAPTED TO BE INSERTED AND HAVING A FIRST TUBULAR PORTION ADAPTED TO BE CONNECTED AT ONE END TO A SOURCE OF AIR AND CONNECTED INTEGRALLY AT THE OTHER END TO A SECOND TUBULAR MEMBER EXTENDING TRANSVERSELY THEREFORM, SAID SECOND TUBULAR PORTION BEING ADAPTED TO BE INSERTED ENTIRELY INTO A BOOT TO BE DRIED, MEANS DEFINING A FIRST OPENING AT THE END OF SAID L-SHAPED MEMBER FOR DIRECTING AIR TOWARD THE TOE OF THE BOOT AND MEANS DEFINING A SECOND OPENING IN THE ARCUATE WALL PORTION IN THE L-SHAPED MEMBER WHICH IS AN ELONGATED SLOT FOR DIRECTING AIR TOWARD THE REAR AND BOTTOM OF THE BOOT, THE EFFECTIVE AREA OF SAID FIRST OPENING MEANS BEING AT LEAST TWICE THE EFFECTIVE AREA OF THE SECOND OPENING MEANS, AND SPACER MEANS EXTENDING FROM SAID SECOND TUBULAR PORTION FOR SPACING THE BOOT FROM SAID SECOND TUBULAR PORTION TO ASSURE EFFECTIVE CIRCULATION OF AIR THROUGH THE BOOT.
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) | 1967-10-27 | 1968-04-27 | 1968-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-27 | 1972-04-27 | 1972-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-27 | 1976-04-27 | 1976-10-27 | $7700.00 | Window Closed / Lapsed |