Patent US3170398A successfully refreshed from Google Patents.
US3170398A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Barometric munition
Assignee: Individual
•
Filing: 1961-05-11
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Granted: 1965-02-23
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Expires: 1981-05-11
Abstract
No abstract record available.
Inventors
- 👤 Theodore R Paulson
- 👤 Paul F Shivers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:01
CPC Classifications
F; F42; F42C; F42C5/00; F42C5/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
191 words
A BAROMETRIC MUNITION COMPRISING TWO SEPARABLE SECTIONS, MEANS TO CAUSE SAID MUNITION TO SPIN DURING FLIGHT, A SPRING WITHIN SAID MUNITION COMPRESSED BETWEEN SAID SEPARABLE SECTIONS AND TENDING TO FORCE SAID SECTIONS APART, A LOCKING MEANS WITHIN SAID MUNITION HOLDING SAID SECTIONS TOGETHER AGAINST THE ACTION OF SAID SPRING, AND EVACUATED BELLOWS WITHIN SAID MUNITION, A BELLOWS SPRING TENDING TO EXPAND SAID BELLOWS, MEANS FOR ADJUSTING THE TENSION ON SAID BELLOWS SPRING, MEANS OPERABLE ON COMPRESSION OF THE BELLOWS AGAINST THE ACTION OF SAID BELLOWS SPRING TO UNLOCK SAID LOCKING MEANS, A PASSAGE SO ARRANGED AS TO TRANSMIT EXTERIOR PRESSURE TO SAID BELLOWS, LATCH MEANS CONSTRUCTED AND ARRANGED TO PREVENT COMPRESSION OF SAID BELLOWS, CENTRIFUGALLY ACTUATED ARMING MEANS FOR RELEASING SAID LATCH MEANS, VANES ON SAID MUNITION ADAPTED TO CAUSE SAID MUNITION TO ROTATE WHILE FALLING, MEANS FOR NORMALLY RENDERING SAID ARMING MEANS INOPERATIVE AND MEANS OPERABLE ON EXPANSION OF SAID BELLOWS FOR RENDERING SAID ARMING MEANS OPERATIVE, WHEREBY SAID SECTIONS WILL BE PUSHED APART BY SAID SPRING ONLY WHEN SAID MUNITION IS TAKEN TO AN ALTITUDE ABOVE A PREDETERMINED ALTITUDE, AND THEN ALLOWED TO FALL FREELY TO SAID PREDETERMINED ALTITUDE.
Claim 2
Dependent Claim
191 words
A BAROMETRIC MUNITION COMPRISING TWO SEPARABLE SECTIONS, MEANS TO CAUSE SAID MUNITION TO SPIN DURING FLIGHT, A SPRING WITHIN SAID MUNITION COMPRESSED BETWEEN SAID SEPARABLE SECTIONS AND TENDING TO FORCE SAID SECTIONS APART, A LOCKING MEANS WITHIN SAID MUNITION HOLDING SAID SECTIONS TOGETHER AGAINST THE ACTION OF SAID SPRING, AND EVACUATED BELLOWS WITHIN SAID MUNITION, A BELLOWS SPRING TENDING TO EXPAND SAID BELLOWS, MEANS FOR ADJUSTING THE TENSION ON SAID BELLOWS SPRING, MEANS OPERABLE ON COMPRESSION OF THE BELLOWS AGAINST THE ACTION OF SAID BELLOWS SPRING TO UNLOCK SAID LOCKING MEANS, A PASSAGE SO ARRANGED AS TO TRANSMIT EXTERIOR PRESSURE TO SAID BELLOWS, LATCH MEANS CONSTRUCTED AND ARRANGED TO PREVENT COMPRESSION OF SAID BELLOWS, CENTRIFUGALLY ACTUATED ARMING MEANS FOR RELEASING SAID LATCH MEANS, VANES ON SAID MUNITION ADAPTED TO CAUSE SAID MUNITION TO ROTATE WHILE FALLING, MEANS FOR NORMALLY RENDERING SAID ARMING MEANS INOPERATIVE AND MEANS OPERABLE ON EXPANSION OF SAID BELLOWS FOR RENDERING SAID ARMING MEANS OPERATIVE, WHEREBY SAID SECTIONS WILL BE PUSHED APART BY SAID SPRING ONLY WHEN SAID MUNITION IS TAKEN TO AN ALTITUDE ABOVE A PREDETERMINED ALTITUDE, AND THEN ALLOWED TO FALL FREELY TO SAID PREDETERMINED ALTITUDE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-02-23 | 1968-08-24 | 1969-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-23 | 1972-08-24 | 1973-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-23 | 1976-08-24 | 1977-02-23 | $7700.00 | Window Closed / Lapsed |