US3007522A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Well construction in silty subsoil
Assignee: Individual
•
Filing: 1958-01-15
•
Granted: 1961-11-07
•
Expires: 1978-01-15
Abstract
No abstract record available.
Inventors
- 👤 Clausse Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:43
CPC Classifications
E; E03; E03B; E03B3/00; E03B3/06; E03B3/08; E03B3/10; E03B3/11
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1642245A
Cited
US1748589A
Cited
US2014770A
Cited
US2126575A
Cited
US2096904A
Cited
US2622683A
Cited
US2740476A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-11-06 | 1965-05-08 | 1965-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-11-06 | 1969-05-08 | 1969-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-11-06 | 1973-05-08 | 1973-11-07 | $7700.00 | Window Closed / Lapsed |