Patent US4798536A successfully refreshed from Google Patents.
Patent US3146540A successfully refreshed from Google Patents.
US3146540A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Steam iron venting means
Assignee: Proctor Manufacturing Corp
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Filing: 1962-01-31
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Granted: 1964-09-01
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Expires: 1982-01-31
Abstract
No abstract record available.
Inventors
- 👤 John C Fagan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:25
CPC Classifications
D; D06; D06F; D06F75/00; D06F75/08; D06F75/10; D06F75/14; D06F75/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
138 words
IN A STEAM IRON, A SOLEPLATE HAVING PORTIONS DEFINING A STEAM GENERATING CHAMBER, A WATER RESERVOIR ABOVE SAID CHAMBER IN COMMUNICATION THEREWITH, A HANDLE FOR THE IRON FIXED RELATIVE TO THE SOLEPLATE AND HAVING A HOLLOW FRONT COLUMN WITH A FORWARD-FACING OPENING, A FILL TUBE EXTENDING FROM SAID OPENING COMMUNICATING WITH THE INTERIOR OF SAID RESERVOIR WHEREBY THE RESERVOIR MAY BE FILLED WITH WATER WHILE THE SOLEPLATE IS IN A SUBSTANTIALLY VERTICAL POSITION, AIR VENTING MEANS FOR SAID RESERVOIR SEPARATE FROM SAID FILL TUBE EFFECTIVE WHEN THE IRON IS BEING FILLED SAID AIR VENTING MEANS COMPRISING A TUBE HAVING A SOLE INLET ADJACENT THE BOTTOM OF SAID RESERVOIR AT ITS FORWARD END AND HAVING AN OUTLET ABOVE THE TOP OF SAID RESERVOIR, AND SEALING MEANS FOR SAID VENTING MEANS EFFECTIVE WHEN THE SOLEPLATE IS IN HORIZONTAL OPERATING POSITION.
Claim 2
Dependent Claim
138 words
IN A STEAM IRON, A SOLEPLATE HAVING PORTIONS DEFINING A STEAM GENERATING CHAMBER, A WATER RESERVOIR ABOVE SAID CHAMBER IN COMMUNICATION THEREWITH, A HANDLE FOR THE IRON FIXED RELATIVE TO THE SOLEPLATE AND HAVING A HOLLOW FRONT COLUMN WITH A FORWARD-FACING OPENING, A FILL TUBE EXTENDING FROM SAID OPENING COMMUNICATING WITH THE INTERIOR OF SAID RESERVOIR WHEREBY THE RESERVOIR MAY BE FILLED WITH WATER WHILE THE SOLEPLATE IS IN A SUBSTANTIALLY VERTICAL POSITION, AIR VENTING MEANS FOR SAID RESERVOIR SEPARATE FROM SAID FILL TUBE EFFECTIVE WHEN THE IRON IS BEING FILLED SAID AIR VENTING MEANS COMPRISING A TUBE HAVING A SOLE INLET ADJACENT THE BOTTOM OF SAID RESERVOIR AT ITS FORWARD END AND HAVING AN OUTLET ABOVE THE TOP OF SAID RESERVOIR, AND SEALING MEANS FOR SAID VENTING MEANS EFFECTIVE WHEN THE SOLEPLATE IS IN HORIZONTAL OPERATING POSITION.
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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) | 1967-09-01 | 1968-03-02 | 1968-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-01 | 1972-03-02 | 1972-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-01 | 1976-03-02 | 1976-09-01 | $7700.00 | Window Closed / Lapsed |