US3495365A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Domed building construction and method
Assignee: Individual
•
Filing: 1968-04-25
•
Granted: 1970-02-17
•
Expires: 1988-04-25
Abstract
No abstract record available.
Inventors
- 👤 John F Blaski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:51
CPC Classifications
E; E04; E04B; E04B7/00; E04B7/08; E04B7/10; E04B7/107; E04B7/102
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US496464A
Cited
US2073358A
Cited
GB480273A
Cited
US2231396A
Cited
US2274949A
Cited
US3085366A
Cited
US3154889A
Cited
US3187852A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-16 | 1973-08-18 | 1974-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-16 | 1977-08-18 | 1978-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-16 | 1981-08-18 | 1982-02-17 | $7700.00 | Window Closed / Lapsed |