US2827272A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Charge forming device
Assignee: Tillotson Manufacturing Co
•
Filing: 1955-05-27
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Granted: 1958-03-18
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Expires: 1975-05-27
Abstract
No abstract record available.
Inventors
- 👤 Bernard C Phillips
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 02:39
CPC Classifications
F; F02; F02M; F02M17/00; F02M17/02; F02M17/04; F02M17/44; F02M17/48; F02M5/00; F02M5/02; Y; Y10; Y10S; Y10S261/00; Y10S261/50; Y10S261/68
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1673136A
Cited
US1817861A
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US1919793A
Cited
US2130884A
Cited
US2656165A
Cited
US2656166A
Cited
US2656167A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-03-17 | 1961-09-16 | 1962-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-17 | 1965-09-16 | 1966-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-17 | 1969-09-16 | 1970-03-18 | $7700.00 | Window Closed / Lapsed |