Patent US3141636A successfully refreshed from Google Patents.
US3141636A
Expired / Lapsed
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Streamlined meteorological balloons
Assignee: WR Grace and Co
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Filing: 1962-07-06
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Granted: 1964-07-21
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Expires: 1982-07-06
Abstract
No abstract record available.
Inventors
- 👤 Edward W Merrill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:04
CPC Classifications
B; B64; B64B; B64B1/00; B64B1/58; B64B1/60; B64B1/40
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
66 words
A METEOROLOGICAL BALLOON COMPRISING AN EXPANSIBLE SPHERICAL ENVELOPE HAVING AN INLET ADAPTED TO PASS A PREDETERMINED AMOUNT OF LIFTING GAS INTO SAID ENVELOPE AND AN ELONGATED INFLATABLE INELASTIC TUBE DEPENDENTLY SECURED WITHIN SAID ENVELOPE IN AXIAL VERTICAL ALIGNMENT WITH SAID ENVELOPE INLET WITH THE INFLATABLE END OF SAID TUBE INITIALLY AND DURING A SUBSTANTIAL PORTION OF THE ASCENT OF SAID BALLOON IN CONTACT WITH SAID INLET.
Claim 2
Dependent Claim
66 words
A METEOROLOGICAL BALLOON COMPRISING AN EXPANSIBLE SPHERICAL ENVELOPE HAVING AN INLET ADAPTED TO PASS A PREDETERMINED AMOUNT OF LIFTING GAS INTO SAID ENVELOPE AND AN ELONGATED INFLATABLE INELASTIC TUBE DEPENDENTLY SECURED WITHIN SAID ENVELOPE IN AXIAL VERTICAL ALIGNMENT WITH SAID ENVELOPE INLET WITH THE INFLATABLE END OF SAID TUBE INITIALLY AND DURING A SUBSTANTIAL PORTION OF THE ASCENT OF SAID BALLOON IN CONTACT WITH SAID INLET.
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) | 1967-07-21 | 1968-01-20 | 1968-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-21 | 1972-01-20 | 1972-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-21 | 1976-01-20 | 1976-07-21 | $7700.00 | Window Closed / Lapsed |