US2724337A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Surge control apparatus
Assignee: JOHN S SHUTE
•
Filing: 1952-04-25
•
Granted: 1955-11-22
•
Expires: 1972-04-25
Abstract
No abstract record available.
Inventors
- 👤 Teeson Robert Floyd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:19
CPC Classifications
F; F04; F04D; F04D15/00; F04D15/0077; F04D15/0083; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2559; Y10T137/2574; Y10T137/2605
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US473949A
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US589378A
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US656834A
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US1885093A
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US2207809A
Cited
US2214119A
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US2326804A
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US2430257A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-11-21 | 1959-05-23 | 1959-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-11-21 | 1963-05-23 | 1963-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-11-21 | 1967-05-23 | 1967-11-22 | $7700.00 | Window Closed / Lapsed |