US1014272A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wall-packer for oil-wells.
Assignee: Individual
•
Filing: 1910-10-10
•
Granted: 1912-01-09
•
Expires: 1930-10-10
Abstract
No abstract record available.
Inventors
- 👤 Charles A Waitz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 17:36
CPC Classifications
E; E21; E21B; E21B33/00; E21B33/10; E21B33/12; E21B33/122
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1915-01-08 | 1915-07-10 | 1916-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1919-01-08 | 1919-07-10 | 1920-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1923-01-08 | 1923-07-10 | 1924-01-09 | $7700.00 | Window Closed / Lapsed |