Patent US3370432A successfully refreshed from Google Patents.
US3370432A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ice protective sleeve for pilings
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1965-08-03
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Granted: 1968-02-27
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Expires: 1985-08-03
Abstract
No abstract record available.
Inventors
- 👤 Roger M Butler
- 👤 Leander B Simpson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 03:19
CPC Classifications
E; E02; E02B; E02B17/00; E02B17/0017; E02B17/0021
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US978643A
Cited
US992776A
Cited
US1436978A
Cited
DE721340C
Cited
US3170299A
Cited
US3180099A
Cited
US3271963A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-02-26 | 1971-08-28 | 1972-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-26 | 1975-08-28 | 1976-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-26 | 1979-08-28 | 1980-02-27 | $7700.00 | Window Closed / Lapsed |