US3500926A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electroless metal bonding of unconsolidated formations into consolidated formations
Assignee: Shell USA Inc
•
Filing: 1967-12-22
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Granted: 1970-03-17
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Expires: 1987-12-22
Abstract
No abstract record available.
Inventors
- 👤 Edwin A Richardson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:36
CPC Classifications
E; E21; E21B; E21B33/00; E21B33/10; E21B33/13; E21B33/138; C; C09; C09K; C09K8/00; C09K8/56; C09K8/57; C09K8/572
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3062666A
Cited
US3148072A
Cited
US3250330A
Cited
US3382079A
Cited
US3378400A
Cited
US3370974A
Cited
US3393737A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-16 | 1973-09-15 | 1974-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-16 | 1977-09-15 | 1978-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-16 | 1981-09-15 | 1982-03-17 | $7700.00 | Window Closed / Lapsed |