US1599087A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Individual
•
Filing: 1925-06-04
•
Granted: 1926-09-07
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Expires: 1945-06-04
Abstract
No abstract record available.
Inventors
- 👤 Edgar E Greve
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 18:14
CPC Classifications
E; E21; E21B; E21B19/00; E21B19/02; E21B19/04; F; F16; F16B; F16B45/00; F16B45/02; F16B45/027; F16B45/028
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) | 1929-09-06 | 1930-03-08 | 1930-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1933-09-06 | 1934-03-08 | 1934-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1937-09-06 | 1938-03-08 | 1938-09-07 | $7700.00 | Window Closed / Lapsed |