Patent US3238649A successfully refreshed from Google Patents.
US3238649A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Steam iron boiler cleaning
Assignee: General Electric Co
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Filing: 1964-09-17
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Granted: 1966-03-08
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Expires: 1984-09-17
Abstract
No abstract record available.
Inventors
- 👤 Bryce A Denton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 05:32
CPC Classifications
D; D06; D06F; D06F75/00; D06F75/08; D06F75/10; D06F75/14; D06F75/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
IN A STEAM FLATIRON: A SOLEPLATE WITH A BOILER THEREIN HAVING A BOTTOM WALL ON WHICH LIQUID IS TRANSFORMED INTO STEAM; MEANS DEFINING AN OPENING THROUGH SAID BOTTOM WALL OF RESTRICTED SIZE RELATIVE TO THE AREA OF THE BOILER AND THE SOLEPLATE REMOVAL OF LOOSENED MINERAL DEPOSITS AND SCALE; A REMOVABLE PLUG POSITIONED IN SAID OPENING WITH ITS INNER FACE FORMING A PORTION OF SAID BOILER BOTTOM WALL AND HAVING AN APERTURE EXTENDING THERETHROUGH; A COVER PLATE SECURED OVER SAID SOLEPLATE TO FORM THE TOP WALL OF SAID BOILER HAVING A TAPPED HOLE IN THE BOTTOM THEREOF; SEALING MEANS POSITIONED ADJACENT THE PERIPHERY OF SAID PLUG BETWEEN THE PLUG AND THE SURROUNDING BOILER
Claim 2
Dependent Claim
113 words
IN A STEAM FLATIRON: A SOLEPLATE WITH A BOILER THEREIN HAVING A BOTTOM WALL ON WHICH LIQUID IS TRANSFORMED INTO STEAM; MEANS DEFINING AN OPENING THROUGH SAID BOTTOM WALL OF RESTRICTED SIZE RELATIVE TO THE AREA OF THE BOILER AND THE SOLEPLATE REMOVAL OF LOOSENED MINERAL DEPOSITS AND SCALE; A REMOVABLE PLUG POSITIONED IN SAID OPENING WITH ITS INNER FACE FORMING A PORTION OF SAID BOILER BOTTOM WALL AND HAVING AN APERTURE EXTENDING THERETHROUGH; A COVER PLATE SECURED OVER SAID SOLEPLATE TO FORM THE TOP WALL OF SAID BOILER HAVING A TAPPED HOLE IN THE BOTTOM THEREOF; SEALING MEANS POSITIONED ADJACENT THE PERIPHERY OF SAID PLUG BETWEEN THE PLUG AND THE SURROUNDING BOILER
References Cited (Backward Citations)
FR1129185A
Cited
US3095862A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-07 | 1969-09-06 | 1970-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-07 | 1973-09-06 | 1974-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-07 | 1977-09-06 | 1978-03-08 | $7700.00 | Window Closed / Lapsed |