US2908959A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Curb and gutter form spacing apparatus
Assignee: JAMES M WORTZ
•
Filing: 1954-12-17
•
Granted: 1959-10-20
•
Expires: 1974-12-17
Abstract
No abstract record available.
Inventors
- 👤 Eric E Hogan
- 👤 Robert S Malloch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 23:29
CPC Classifications
E; E01; E01C; E01C19/00; E01C19/50; E01C19/502; E01C19/506
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-10-19 | 1963-04-20 | 1963-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-19 | 1967-04-20 | 1967-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-19 | 1971-04-20 | 1971-10-20 | $7700.00 | Window Closed / Lapsed |