US3393737A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electroless metal bonding of unconsolidated formations into consolidated formations
Assignee: Shell USA Inc
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Filing: 1966-09-14
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Granted: 1968-07-23
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Expires: 1986-09-14
Abstract
No abstract record available.
Inventors
- 👤 Edwin A Richardson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:22
CPC Classifications
C; C09; C09K; C09K8/00; C09K8/56; C09K8/57; C09K8/572; C23; C23C; C23C18/00; C23C18/16; C23C18/31; C23C18/32; C23C18/34; C23C18/36; C23C18/52; E; E21; E21B; E21B36/00; E21B36/003; E21B43/00; E21B43/02; E21B43/025
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) | 1971-07-23 | 1972-01-22 | 1972-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-23 | 1976-01-22 | 1976-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-23 | 1980-01-22 | 1980-07-23 | $7700.00 | Window Closed / Lapsed |