US1271320A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric conductor.
Assignee: AT&T Inc
•
Filing: 1916-09-11
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Granted: 1918-07-02
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Expires: 1936-09-11
Abstract
No abstract record available.
Inventors
- 👤 William G Houskeeper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:08
CPC Classifications
B; B21; B21D; B21D53/00; B21D53/26; B21D53/34; Y; Y10; Y10S; Y10S118/00; Y10S118/19; Y10T; Y10T29/00; Y10T29/49; Y10T29/49789; Y10T29/49792; Y10T29/4998; Y10T29/49988; Y10T29/51; Y10T29/5116; Y10T428/00; Y10T428/12; Y10T428/12201; Y10T428/12208
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) | 1921-07-01 | 1921-12-31 | 1922-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1925-07-01 | 1925-12-31 | 1926-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1929-07-01 | 1929-12-31 | 1930-07-02 | $7700.00 | Window Closed / Lapsed |