Patent US2040947A successfully refreshed from Google Patents.
Patent US2986241A successfully refreshed from Google Patents.
US2986241A
Expired / Lapsed
US
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Synergetic building construction
Assignee: Individual
•
Filing: 1956-02-07
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Granted: 1961-05-30
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Expires: 1976-02-07
Abstract
No abstract record available.
Inventors
- 👤 Fuller Richard Buckminster
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:06
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/18; E04B1/19; E04B1/1903; E04B1/1906; E04B2001/1924; E04B2001/1927; E04B2001/1936; E04B2001/1957; E04B2001/1963; E04B2001/1978; E04B2001/1981; E04B2001/1984; E04B2001/1987; Y; Y10; Y10T; Y10T403/00; Y10T403/34; Y10T403/341; Y10T403/342; Y10T403/344; Y10T403/347
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US158689A
Cited
US278028A
Cited
FR491527A
Cited
US1444491A
Cited
CH259758A
Cited
US2549189A
Cited
FR1011145A
Cited
US2709975A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-29 | 1964-11-28 | 1965-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-29 | 1968-11-28 | 1969-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-29 | 1972-11-28 | 1973-05-30 | $7700.00 | Window Closed / Lapsed |