Patent US3178157A successfully refreshed from Google Patents.
US3178157A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable foam generating apparatus
Assignee: United Process Machinery Co
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Filing: 1962-05-15
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Granted: 1965-04-13
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Expires: 1982-05-15
Abstract
No abstract record available.
Inventors
- 👤 Iii Austin Cole
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:17
CPC Classifications
B; B29; B29B; B29B7/00; B29B7/74; B29B7/7404; B01; B01F; B01F35/00; B01F35/71; B01F35/713; B01F35/717; B01F35/71745; B01F35/75; B01F35/754; B01F35/80; B01F35/83; B01F35/88; B01F35/882; B01F35/8823; B01F33/00; B01F33/50; B01F33/501; B01F33/5011; Y; Y10; Y10T; Y10T137/00; Y10T137/1624; Y10T137/1632; Y10T137/1692; Y10T137/1714; Y10T137/2496; Y10T137/2514; Y10T137/2516
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
A FOAM GENERATING APPARATUS INCLUDING: FIRST AND SECOND OPEN ENDED STORAGE MEANS FOR FIRST AND SECOND MATERIALS TO BE MIXED TOGETHER TO PROVIDE SAID FOAM; FIRST AND SECOND DIAPHRAGMS CLOSING OFF SAID FIRST AND SECOND STORAGE MEANS; A SINGLE PRESSURE SOURCE MEANS CONNECTED TO SAID STORAGE MEANS TO PROVIDE SUBSTANTIALLY IDENTICAL PRESSURES TO SAID STORAGE MEANS RESPECTIVELY, SAID FIRST AND SECOND DIAPHRGAMS BEING DESIGNED TO RUPTURE WHEN A GIVEN PRESSURE FROM SAID PRESSURE SOURCE IS EXCEEDED; AND A MIXING HEAD FOR RECEIVING AND MIXING TOGETHER SAID FIRST AND SECOND MATERIALS.
Claim 2
Dependent Claim
90 words
A FOAM GENERATING APPARATUS INCLUDING: FIRST AND SECOND OPEN ENDED STORAGE MEANS FOR FIRST AND SECOND MATERIALS TO BE MIXED TOGETHER TO PROVIDE SAID FOAM; FIRST AND SECOND DIAPHRAGMS CLOSING OFF SAID FIRST AND SECOND STORAGE MEANS; A SINGLE PRESSURE SOURCE MEANS CONNECTED TO SAID STORAGE MEANS TO PROVIDE SUBSTANTIALLY IDENTICAL PRESSURES TO SAID STORAGE MEANS RESPECTIVELY, SAID FIRST AND SECOND DIAPHRGAMS BEING DESIGNED TO RUPTURE WHEN A GIVEN PRESSURE FROM SAID PRESSURE SOURCE IS EXCEEDED; AND A MIXING HEAD FOR RECEIVING AND MIXING TOGETHER SAID FIRST AND SECOND MATERIALS.
References Cited (Backward Citations)
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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) | 1968-04-12 | 1968-10-12 | 1969-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-12 | 1972-10-12 | 1973-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-12 | 1976-10-12 | 1977-04-13 | $7700.00 | Window Closed / Lapsed |