US3063521A
Expired / Lapsed
US
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Tensile-integrity structures
Assignee: Individual
•
Filing: 1959-08-31
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Granted: 1962-11-13
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Expires: 1979-08-31
Abstract
No abstract record available.
Inventors
- 👤 Fuller Richard Buckminster
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:28
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/18; E04B1/19; E04B1/32; E04B1/3211; E04B7/00; E04B7/08; E04B7/10; E04C; E04C3/00; E04C3/30; E04C3/32; E04B2001/1924; E04B2001/1927; E04B2001/1936; E04B2001/1978; E04B2001/1981; E04B2001/1987; E04B2001/1996; E04B2001/3235; E04B2001/3241; E04B2001/327; E04B2001/3276; E04B2001/3288; E04B2001/3294
Claims Analysis
Total Claims: 0
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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) | 1965-11-12 | 1966-05-14 | 1966-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-12 | 1970-05-14 | 1970-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-12 | 1974-05-14 | 1974-11-13 | $7700.00 | Window Closed / Lapsed |