US3464167A
Expired / Lapsed
US
⏱️ 0.0 years remaining
A-frame construction
Assignee: Individual
•
Filing: 1967-07-13
•
Granted: 1969-09-02
•
Expires: 1987-07-13
Abstract
No abstract record available.
Inventors
- 👤 Steven J Mason
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:26
CPC Classifications
E; E04; E04B; E04B7/00; E04B7/20; E04B1/00; E04B1/02; E04B1/08; E04H; E04H1/00; E04H1/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1048062A
Cited
US1825195A
Cited
US2142060A
Cited
GB522619A
Cited
US2352807A
Cited
US3193973A
Cited
US3203145A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-01 | 1973-03-03 | 1973-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-01 | 1977-03-03 | 1977-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-01 | 1981-03-03 | 1981-09-02 | $7700.00 | Window Closed / Lapsed |