Patent US3057347A successfully refreshed from Google Patents.
US3057347A
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Rescue breathing device
Assignee: PRESCRIPTION DRUG CO Inc
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Filing: 1959-12-03
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Granted: 1962-10-09
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Expires: 1979-12-03
Abstract
No abstract record available.
Inventors
- 👤 Andrew J Mcgee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:43
CPC Classifications
A; A61; A61M; A61M16/00; A61M16/04; A61M16/0488; A61M16/049; A61M16/0493; A61M16/0495; A61M16/0048; A61M16/10; A61M16/1045; A61M16/105; A61M16/106; A61M16/107
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA574736A
Cited
US1266624A
Cited
US1786350A
Cited
US2280050A
Cited
US2537674A
Cited
US2590307A
Cited
US2995131A
Cited
US3013554A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-08 | 1966-04-09 | 1966-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-08 | 1970-04-09 | 1970-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-08 | 1974-04-09 | 1974-10-09 | $7700.00 | Window Closed / Lapsed |