US1871125A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Protective means for buried metallic surfaces
Assignee: GULF PRODUCTION Co
•
Filing: 1929-10-11
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Granted: 1932-08-09
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Expires: 1949-10-11
Abstract
No abstract record available.
Inventors
- 👤 Stanton U Mcgary
- 👤 Walter F Rogers
- 👤 Gill Stanley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:31
CPC Classifications
H; H01; H01B; H01B7/00; H01B7/17; H01B7/18; H01B7/22; H01B7/226; F; F16; F16L; F16L58/00; F16L58/02; F16L58/16; Y; Y10; Y10S; Y10S138/00; Y10S138/06; Y10S138/10
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) | 1935-08-09 | 1936-02-08 | 1936-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-08-09 | 1940-02-08 | 1940-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-08-09 | 1944-02-08 | 1944-08-09 | $7700.00 | Window Closed / Lapsed |