Patent US3726645A successfully refreshed from Google Patents.
US3726645A
Expired / Lapsed
US
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Inert plastic film for support and packaging of chemical spot test systems
Assignee: United States Department of the Army
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Filing: 1970-07-06
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Granted: 1973-04-10
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Expires: 1990-07-06
Abstract
Abstract AN APPARATUS, METHOD, AND MATERIAL FOR THE PACKAGING AND SUPPORT OF CHEMICAL SPOT TEST SYSTEMS, THE INVENTION BEING UTILIZED TO ELIMINATE ANY REACTION BETWEEN THE CHEMICAL SYSTEM AND THE CONTAINER MEANS, THE CONTAINER MEANS CONTAINING A PLURALITY OF SPOT TESTS AND THE APPARATUS BEING SUFFICIENTLY COMPACT TO CARRY IN A JACKET OR SHIRT POCKET. D R A W I N G
Inventors
- 👤 T Kaczmarek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:55
CPC Classifications
B; B01; B01L; B01L3/00; B01L3/50; B01L3/502; B65; B65D; B65D75/00; B65D75/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-04-09 | 1976-10-09 | 1977-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-04-09 | 1980-10-09 | 1981-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-04-09 | 1984-10-09 | 1985-04-10 | $7700.00 | Window Closed / Lapsed |