US3436983A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: COASTAL DYNAMICS INCORPORATED A CORP OF OREG
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Filing: 1967-08-08
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Granted: 1969-04-08
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Expires: 1987-08-08
Abstract
No abstract record available.
Inventors
- 👤 John D Krantz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 15:19
CPC Classifications
E; E06; E06B; E06B9/00; E06B9/56; E06B9/80; E06B9/82; E06B9/86; A; A61; A61G; A61G15/00; A61G15/14; A61G15/16; H; H02; H02G; H02G11/00; H02G11/003; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20636
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1114675A
Cited
US1509780A
Cited
US2127060A
Cited
US2671354A
Cited
US2982149A
Cited
US3156493A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-07 | 1972-10-07 | 1973-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-07 | 1976-10-07 | 1977-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-07 | 1980-10-07 | 1981-04-08 | $7700.00 | Window Closed / Lapsed |