US2720016A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pole band
Assignee: Brewer Titchener Corp
•
Filing: 1950-10-31
•
Granted: 1955-10-11
•
Expires: 1970-10-31
Abstract
No abstract record available.
Inventors
- 👤 Udo K Johannsen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 08:42
CPC Classifications
F; F16; F16L; F16L3/00; F16L3/24; E; E04; E04H; E04H12/00; E04H12/02; E04H12/08; E04H12/10; H; H01; H01Q; H01Q1/00; H01Q1/12; H01Q1/1207; H01Q1/1228; Y; Y10; Y10T; Y10T403/00; Y10T403/71; Y10T403/7182; Y10T403/7194
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1318503A
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US1267352A
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US1172690A
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US1274689A
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US1264446A
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US1596944A
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US1625716A
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US2069163A
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US2213022A
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FR896003A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-10-10 | 1959-04-11 | 1959-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-10-10 | 1963-04-11 | 1963-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-10-10 | 1967-04-11 | 1967-10-11 | $7700.00 | Window Closed / Lapsed |