Patent US3255972A successfully refreshed from Google Patents.
US3255972A
Expired / Lapsed
US
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Disposable container
Assignee: HULTGREN
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Filing: 1965-05-11
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Granted: 1966-06-14
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Expires: 1985-05-11
Abstract
No abstract record available.
Inventors
- 👤 Ralph J Hultgren
- 👤 Gutierrez Julian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:19
CPC Classifications
B; B05; B05B; B05B7/00; B05B7/24; B05B7/2402; B05B7/2481; A; A01; A01C; A01C23/00; A01C23/04; A01C23/042; B05B7/244; B05B7/2443; B05B7/2445
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
140 words
A DISPOSABLE LIQUID CHEMICAL CONTAINER COMPRISING: (A) A RIGID CONTAINER HAVING AN EXTENSION AT ITS FRONT END, SAID EXTENSION HAVING A LONGITUDINAL BORE THERETHROUGH OPENING INTO SAID CONTAINER AND A COUNTERBORE AT ITS EXTENDED END, SAID RIGID CONTAINER FURTHER HAVING A PLURALITY OF APERTURES THROUGH THE FRONT AND REAR ENDS THEREOF; (B) A HIGHLY RESILIENT COLLAPSIBLE CONTAINER MOUNTED INSIDE SAID RIGID CONTAINER AND ATTACHED TO SAID EXTENSION, SAID COLLAPSIBLE CONTAINER CONTAINING SAID LIQUID CHEMICAL; AND (C) AN ASPIRATING TUBE HAVING AN OUTSIDE DIAMETER SLIGHTLY LESS THAN THE DIAMETER OF SAID BORE AND HAVING A COMPRESSIBLE COLLAR HAVING AN OUTSIDE DIAMETER SLIGHTLY LARGER THAN THE DIAMETER OF SAID COUNTERBORE, SAID ASPIRATING TUBE BEING POSITIONED IN THE BORE OF SAID EXTENSION AND EXTENDING INTO SAID COLLAPSIBLE CONTAINER, THE COLLAR OF SAID ASPIRATING TUBE BEING FORCE FIT INTO THE COUNTERBORE OF SAID EXTENSION.
Claim 2
Dependent Claim
140 words
A DISPOSABLE LIQUID CHEMICAL CONTAINER COMPRISING: (A) A RIGID CONTAINER HAVING AN EXTENSION AT ITS FRONT END, SAID EXTENSION HAVING A LONGITUDINAL BORE THERETHROUGH OPENING INTO SAID CONTAINER AND A COUNTERBORE AT ITS EXTENDED END, SAID RIGID CONTAINER FURTHER HAVING A PLURALITY OF APERTURES THROUGH THE FRONT AND REAR ENDS THEREOF; (B) A HIGHLY RESILIENT COLLAPSIBLE CONTAINER MOUNTED INSIDE SAID RIGID CONTAINER AND ATTACHED TO SAID EXTENSION, SAID COLLAPSIBLE CONTAINER CONTAINING SAID LIQUID CHEMICAL; AND (C) AN ASPIRATING TUBE HAVING AN OUTSIDE DIAMETER SLIGHTLY LESS THAN THE DIAMETER OF SAID BORE AND HAVING A COMPRESSIBLE COLLAR HAVING AN OUTSIDE DIAMETER SLIGHTLY LARGER THAN THE DIAMETER OF SAID COUNTERBORE, SAID ASPIRATING TUBE BEING POSITIONED IN THE BORE OF SAID EXTENSION AND EXTENDING INTO SAID COLLAPSIBLE CONTAINER, THE COLLAR OF SAID ASPIRATING TUBE BEING FORCE FIT INTO THE COUNTERBORE OF SAID EXTENSION.
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) | 1969-06-13 | 1969-12-13 | 1970-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-13 | 1973-12-13 | 1974-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-13 | 1977-12-13 | 1978-06-14 | $7700.00 | Window Closed / Lapsed |