US2482439A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable hole saw
Assignee: Individual
•
Filing: 1946-05-16
•
Granted: 1949-09-20
•
Expires: 1966-05-16
Abstract
No abstract record available.
Inventors
- 👤 Luther A Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:54
CPC Classifications
B; B23; B23B; B23B51/00; B23B51/04; B23B51/0426; B23B51/0473; B23B2260/00; B23B2260/004; Y; Y10; Y10T; Y10T279/00; Y10T279/10; Y10T279/1004; Y10T279/1037; Y10T279/1041; Y10T279/1045; Y10T279/22; Y10T408/00; Y10T408/83; Y10T408/85; Y10T408/858; Y10T408/8588; Y10T408/85892; Y10T408/86; Y10T408/87; Y10T408/89; Y10T408/895; Y10T408/8957
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US493730A
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US717702A
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US703538A
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US1449790A
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US1590994A
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GB203570A
Cited
US1596197A
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US1620255A
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US2349400A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-09-19 | 1953-03-21 | 1953-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-09-19 | 1957-03-21 | 1957-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-09-19 | 1961-03-21 | 1961-09-20 | $7700.00 | Window Closed / Lapsed |