Patent US3452355A successfully refreshed from Google Patents.
US3452355A
Expired / Lapsed
US
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Inflatable communications satellite
Assignee: GT Schjeldahl Co
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Filing: 1962-06-11
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Granted: 1969-06-24
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Expires: 1982-06-11
Abstract
No abstract record available.
Inventors
- 👤 Richard J Slater
- 👤 Francis H Bratton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:54
CPC Classifications
H; H04; H04B; H04B7/00; H04B7/14; H04B7/145; B; B64; B64G; B64G99/00; H01; H01Q; H01Q1/00; H01Q1/08; H01Q1/081; H01Q1/082
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
AN ELECTROMAGNETIC WAVE REFLECTING SPACE BALLOON WHICH COMPRISES: (A) A SINGLE FLEXIBLE SHEET PLASTIC SHELL ADAPTED TO ENCOMPASS A PREDETERMINED VOLUME OF SPACE, SAID SHEET PLASTIC HAVING A LOW RESISTANCE TO THE PASSAGE THERETHROUGH OF SOLAR RADIATION AND (B) A FLEXIBLE METAL STRUCTURE HAVING A RIGIDITY WHICH IS RELATIVELY GREATER THAN THAT OF SAID FLEXIBLE SHEET PLASTIC AND ATTACHED IN SURFACE CONTACT THERETO, (C) SAID METAL STRUCTURE BEING OF FORAMINOUS CONFIGURATION WHEREBY TO CREATE A MULTIPLICITY OF DISCONTINUOUS NONCONDUCTING AREAS AND A CONTINUOUS INTERCONNECTED CONDUCTING AREA.
Claim 2
Dependent Claim
86 words
AN ELECTROMAGNETIC WAVE REFLECTING SPACE BALLOON WHICH COMPRISES: (A) A SINGLE FLEXIBLE SHEET PLASTIC SHELL ADAPTED TO ENCOMPASS A PREDETERMINED VOLUME OF SPACE, SAID SHEET PLASTIC HAVING A LOW RESISTANCE TO THE PASSAGE THERETHROUGH OF SOLAR RADIATION AND (B) A FLEXIBLE METAL STRUCTURE HAVING A RIGIDITY WHICH IS RELATIVELY GREATER THAN THAT OF SAID FLEXIBLE SHEET PLASTIC AND ATTACHED IN SURFACE CONTACT THERETO, (C) SAID METAL STRUCTURE BEING OF FORAMINOUS CONFIGURATION WHEREBY TO CREATE A MULTIPLICITY OF DISCONTINUOUS NONCONDUCTING AREAS AND A CONTINUOUS INTERCONNECTED CONDUCTING AREA.
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) | 1972-06-23 | 1972-12-23 | 1973-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-23 | 1976-12-23 | 1977-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-23 | 1980-12-23 | 1981-06-24 | $7700.00 | Window Closed / Lapsed |