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Patent US2772704A successfully refreshed from Google Patents.
US2772704A
Expired / Lapsed
US
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Fluid container
Assignee: American Hospital Supply Corp
•
Filing: 1952-08-21
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Granted: 1956-12-04
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Expires: 1972-08-21
Abstract
No abstract record available.
Inventors
- 👤 John N Mcconnell
- 👤 Harlan F Borin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 23:46
CPC Classifications
B; B01; B01L; B01L3/00; B01L3/02; B01L3/0282
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US236997A
Cited
US570759A
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GB190216139A
Cited
US836466A
Cited
FR445910A
Cited
US1528924A
Cited
US1770093A
Cited
US1972154A
Cited
US2035404A
Cited
US2156112A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-12-04 | 1960-06-04 | 1960-12-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-04 | 1964-06-04 | 1964-12-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-04 | 1968-06-04 | 1968-12-04 | $7700.00 | Window Closed / Lapsed |