US2437595A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Case for drills
Assignee: Individual
•
Filing: 1944-12-19
•
Granted: 1948-03-09
•
Expires: 1964-12-19
Abstract
No abstract record available.
Inventors
- 👤 Roy D Douglass
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:35
CPC Classifications
B; B25; B25H; B25H3/00; B25H3/003; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/0911; Y10T292/0945; Y10T292/0951; Y10T292/096; Y10T292/0961; Y10T292/0962; Y10T292/0968; Y10T292/68; Y10T292/683
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US232128A
Cited
US1018729A
Cited
US1589230A
Cited
US1930617A
Cited
US1853595A
Cited
US2269637A
Cited
US2305021A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-03-09 | 1951-09-08 | 1952-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-03-09 | 1955-09-08 | 1956-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-03-09 | 1959-09-08 | 1960-03-09 | $7700.00 | Window Closed / Lapsed |