Patent US2351201A successfully refreshed from Google Patents.
US2351201A
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Method of and means for measuring
Assignee: AT&T Inc
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Filing: 1942-07-16
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Granted: 1944-06-13
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Expires: 1962-07-16
Abstract
No abstract record available.
Inventors
- 👤 Gillis Randall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:16
CPC Classifications
G; G01; G01B; G01B7/00; G01B7/02; G01B7/06; B; B29; B29C; B29C48/00; B29C48/25; B29C48/92; B29C2948/00; B29C2948/92; B29C2948/92009; B29C2948/92085; B29C2948/92104; B29C2948/92114; B29C2948/92152; B29C2948/92504; B29C2948/92609; B29C2948/92647; B29C2948/92819; B29C2948/92857; B29C2948/92876; B29C2948/92895; B29C2948/92942; B29C48/03; B29C48/05; B29C48/06
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 |