Patent US2335355A successfully refreshed from Google Patents.
US2335355A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Producting equipment for wells
Assignee: Individual
•
Filing: 1939-09-11
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Granted: 1943-11-30
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Expires: 1959-09-11
Abstract
No abstract record available.
Inventors
- 👤 Arthur J Penick
- 👤 Kirby T Penick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:46
CPC Classifications
E; E21; E21B; E21B43/00; E21B43/14; E21B33/00; E21B33/02; E21B33/03; E21B33/04; E21B33/047; Y; Y10; Y10T; Y10T137/00; Y10T137/4238; Y10T137/4358; Y10T137/8593; Y10T137/87153
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) | 1946-11-29 | 1947-05-31 | 1947-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-11-29 | 1951-05-31 | 1951-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-11-29 | 1955-05-31 | 1955-11-30 | $7700.00 | Window Closed / Lapsed |