US3373668A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Interlocking structures for edging, paving, or the like
Assignee: Individual
•
Filing: 1965-12-15
•
Granted: 1968-03-19
•
Expires: 1985-12-15
Abstract
No abstract record available.
Inventors
- 👤 Robert R Moore
- 👤 Steffan Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 08:32
CPC Classifications
E; E01; E01C; E01C5/00; E01C5/16; A; A01; A01G; A01G9/00; A01G9/28; E01C11/00; E01C11/22; E01C11/221; E01C11/222; E01C2201/00; E01C2201/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-03-19 | 1971-09-18 | 1972-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-19 | 1975-09-18 | 1976-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-19 | 1979-09-18 | 1980-03-19 | $7700.00 | Window Closed / Lapsed |