US3005293A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wall facing
Assignee: Individual
•
Filing: 1959-04-01
•
Granted: 1961-10-24
•
Expires: 1979-04-01
Abstract
No abstract record available.
Inventors
- 👤 Edgar D Hunter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:10
CPC Classifications
E; E04; E04F; E04F13/00; E04F13/07; E04F13/08; E04F13/0801; E04F13/0803; E04F13/081; E04F13/0821; E04F13/0826; E04F13/0805
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1924986A
Cited
US1932274A
Cited
US1896325A
Cited
US2032226A
Cited
US2054511A
Cited
US2042290A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-10-23 | 1965-04-24 | 1965-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-23 | 1969-04-24 | 1969-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-23 | 1973-04-24 | 1973-10-24 | $7700.00 | Window Closed / Lapsed |