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Patent US2607247A successfully refreshed from Google Patents.
US2607247A
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Optical pliers
Assignee: HARVEY C SPECK
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Filing: 1949-06-03
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Granted: 1952-08-19
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Expires: 1969-06-03
Abstract
No abstract record available.
Inventors
- 👤 Arthur F Wegs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:46
CPC Classifications
G; G02; G02C; G02C13/00; G02C13/001; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/536; Y10T29/53604; Y10T29/53609
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-08-19 | 1956-02-18 | 1956-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-08-19 | 1960-02-18 | 1960-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-08-19 | 1964-02-18 | 1964-08-19 | $7700.00 | Window Closed / Lapsed |