US3059657A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air-supported building
Assignee: Individual
•
Filing: 1958-12-16
•
Granted: 1962-10-23
•
Expires: 1978-12-16
Abstract
No abstract record available.
Inventors
- 👤 Turner Harold Dale
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:02
CPC Classifications
E; E04; E04H; E04H15/00; E04H15/20; E04H15/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1302182A
Cited
US1357523A
Cited
US1374994A
Cited
US1834084A
Cited
US2335300A
Cited
US2646810A
Cited
US2731055A
Cited
US2649101A
Cited
US2910994A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-22 | 1966-04-23 | 1966-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-22 | 1970-04-23 | 1970-10-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-22 | 1974-04-23 | 1974-10-23 | $7700.00 | Window Closed / Lapsed |