US2363215A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Holder for boring bars
Assignee: Individual
•
Filing: 1942-12-18
•
Granted: 1944-11-21
•
Expires: 1962-12-18
Abstract
No abstract record available.
Inventors
- 👤 Loraine L Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:22
CPC Classifications
B; B23; B23B; B23B29/00; B23B29/04; Y; Y10; Y10T; Y10T29/00; Y10T29/51; Y10T29/5152; Y10T29/5165; Y10T29/5166; Y10T82/00; Y10T82/25; Y10T82/2585; Y10T82/2591
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) | 1947-11-21 | 1948-05-22 | 1948-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-11-21 | 1952-05-22 | 1952-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-11-21 | 1956-05-22 | 1956-11-21 | $7700.00 | Window Closed / Lapsed |