US3244196A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sonic reserve alarm for air-breathing apparatus
Assignee: Individual
•
Filing: 1963-04-03
•
Granted: 1966-04-05
•
Expires: 1983-04-03
Abstract
No abstract record available.
Inventors
- 👤 Edward H Replogle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:20
CPC Classifications
A; A62; A62B; A62B9/00; A62B9/006; Y; Y10; Y10S; Y10S116/00; Y10S116/42; Y10S137/00; Y10S137/908; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7781; Y10T137/7837; Y10T137/7838; Y10T137/7841; Y10T137/8158; Y10T137/8326; Y10T137/8593; Y10T137/87265; Y10T137/87378
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
IN AIR-BREATHING APPARATUS, THE COMBINATION COMPRISING CONDUIT MEANS THROUGH WHICH AIR FLOWS, A MOVABLE MEMBER RESPONSIVE TO UPSTREAM AIR PRESSURE, ONE POSITION OF SAID MEMBER PROVIDING A FLOW PATH FOR AIR, ANOTHER POSITION OF SAID MEMBER BLOCKING SAID FLOW PATH, AND AIR OPERATED MEANS IN SAID CONDUIT MEANS OPERATIVE FOR MAKING NOISE WHEN SAID MEMBER IS IN SAID ANOTHER POSITION AND INOPERATIVE WHEN SAID MEMBER IS IN SAID ONE POSITION.
Claim 2
Dependent Claim
70 words
IN AIR-BREATHING APPARATUS, THE COMBINATION COMPRISING CONDUIT MEANS THROUGH WHICH AIR FLOWS, A MOVABLE MEMBER RESPONSIVE TO UPSTREAM AIR PRESSURE, ONE POSITION OF SAID MEMBER PROVIDING A FLOW PATH FOR AIR, ANOTHER POSITION OF SAID MEMBER BLOCKING SAID FLOW PATH, AND AIR OPERATED MEANS IN SAID CONDUIT MEANS OPERATIVE FOR MAKING NOISE WHEN SAID MEMBER IS IN SAID ANOTHER POSITION AND INOPERATIVE WHEN SAID MEMBER IS IN SAID ONE POSITION.
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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) | 1969-04-04 | 1969-10-04 | 1970-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-04 | 1973-10-04 | 1974-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-04 | 1977-10-04 | 1978-04-05 | $7700.00 | Window Closed / Lapsed |