US3415062A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Diking method and product produced thereby
Assignee: Dart Industries Inc
•
Filing: 1965-02-02
•
Granted: 1968-12-10
•
Expires: 1985-02-02
Abstract
No abstract record available.
Inventors
- 👤 Robert M Ziegenmeyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 06:23
CPC Classifications
E; E02; E02B; E02B3/00; E02B3/04; E02B3/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1363691A
Cited
US1215057A
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US1421857A
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GB878280A
Cited
US3075357A
Cited
US3234741A
Cited
US3134233A
Cited
US3218810A
Cited
US3182459A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-10 | 1972-06-10 | 1972-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-10 | 1976-06-10 | 1976-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-10 | 1980-06-10 | 1980-12-10 | $7700.00 | Window Closed / Lapsed |