Patent US2300694A successfully refreshed from Google Patents.
Patent US2351435A successfully refreshed from Google Patents.
US2351435A
Expired / Lapsed
US
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Plug cutting tool
Assignee: AT&T Inc
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Filing: 1942-05-30
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Granted: 1944-06-13
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Expires: 1962-05-30
Abstract
No abstract record available.
Inventors
- 👤 Robert J Kent
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:59
CPC Classifications
B; B26; B26D; B26D3/00; B26D3/003; B26F; B26F1/00; B26F1/38; B26F1/3866; Y; Y10; Y10T; Y10T408/00; Y10T408/29; Y10T408/68; Y10T408/89; Y10T408/895
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) | 1947-06-13 | 1947-12-13 | 1948-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-06-13 | 1951-12-13 | 1952-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-06-13 | 1955-12-13 | 1956-06-13 | $7700.00 | Window Closed / Lapsed |