US2455972A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combination magnifying lens and punch or the like
Assignee: Individual
•
Filing: 1945-04-21
•
Granted: 1948-12-14
•
Expires: 1965-04-21
Abstract
No abstract record available.
Inventors
- 👤 Hoel L Bowditch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 04:03
CPC Classifications
B; B43; B43K; B43K29/00; B43K29/003; G; G01; G01B; G01B9/00; Y; Y10; Y10T; Y10T83/00; Y10T83/828; Y10T83/839
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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Cited
DE378727C
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GB190814182A
Cited
US975465A
Cited
US1120421A
Cited
US1181061A
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US1449165A
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US2242536A
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US2341743A
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US2376448A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-12-14 | 1952-06-14 | 1952-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-12-14 | 1956-06-14 | 1956-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-12-14 | 1960-06-14 | 1960-12-14 | $7700.00 | Window Closed / Lapsed |