US1202319A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pumping-packer with gas-escape.
Assignee: Individual
•
Filing: 1916-03-06
•
Granted: 1916-10-24
•
Expires: 1936-03-06
Abstract
No abstract record available.
Inventors
- 👤 Lawrence E Robinson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:23
CPC Classifications
E; E21; E21B; E21B33/00; E21B33/10; E21B33/12; E21B33/122
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1919-10-24 | 1920-04-24 | 1920-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1923-10-24 | 1924-04-24 | 1924-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1927-10-24 | 1928-04-24 | 1928-10-24 | $7700.00 | Window Closed / Lapsed |