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Patent US968677A successfully refreshed from Google Patents.
US968677A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic gas-feed for vacuum-tubes.
Assignee: MOORE ELECTRICAL CO
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Filing: 1906-05-08
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Granted: 1910-08-30
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Expires: 1926-05-08
Abstract
No abstract record available.
Inventors
- 👤 Daniel Mcfarlan Moore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:30
CPC Classifications
H; H01; H01J; H01J17/00; H01J17/02; H01J17/22; H01J17/26; Y; Y10; Y10T; Y10T137/00; Y10T137/4456; Y10T137/4643; Y10T137/4658; Y10T137/7722; Y10T137/7781; Y10T137/7793
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) | 1913-08-29 | 1914-02-28 | 1914-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1917-08-29 | 1918-02-28 | 1918-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1921-08-29 | 1922-02-28 | 1922-08-30 | $7700.00 | Window Closed / Lapsed |