US2484150A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Work-expelling device for tubular saws
Assignee: Individual
•
Filing: 1946-12-10
•
Granted: 1949-10-11
•
Expires: 1966-12-10
Abstract
No abstract record available.
Inventors
- 👤 Brown Robert Lee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:44
CPC Classifications
B; B23; B23B; B23B51/00; B23B51/04; B23B51/0453; Y; Y10; Y10T; Y10T408/00; Y10T408/55; Y10T408/561; Y10T408/5623; Y10T408/56238; Y10T408/564; Y10T408/5653; Y10T408/89; Y10T408/895
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US476312A
Cited
DE383221C
Cited
US1365660A
Cited
GB170193A
Cited
GB203570A
Cited
DE433307C
Cited
US1705049A
Cited
US1855873A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-10-10 | 1953-04-11 | 1953-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-10-10 | 1957-04-11 | 1957-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-10-10 | 1961-04-11 | 1961-10-11 | $7700.00 | Window Closed / Lapsed |