US1611028A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drill spray
Assignee: Individual
•
Filing: 1924-11-21
•
Granted: 1926-12-14
•
Expires: 1944-11-21
Abstract
No abstract record available.
Inventors
- 👤 Thomas W Harrison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:03
CPC Classifications
E; E21; E21B; E21B21/00; E21B21/01; E21B21/011; E21B21/013; Y; Y10; Y10S; Y10S29/00; Y10S29/089; Y10S29/092
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) | 1929-12-13 | 1930-06-14 | 1930-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1933-12-13 | 1934-06-14 | 1934-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1937-12-13 | 1938-06-14 | 1938-12-14 | $7700.00 | Window Closed / Lapsed |