US2938536A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Controller
Assignee: Honeywell Inc
•
Filing: 1957-10-29
•
Granted: 1960-05-31
•
Expires: 1977-10-29
Abstract
No abstract record available.
Inventors
- 👤 Ehrenberg Gustave
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:21
CPC Classifications
F; F04; F04D; F04D15/00; F04D15/02; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7758; Y10T137/7759; Y10T137/7761; Y10T137/7762; Y10T137/7764; Y10T137/8158
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1977559A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-31 | 1963-11-30 | 1964-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-31 | 1967-11-30 | 1968-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-31 | 1971-11-30 | 1972-05-31 | $7700.00 | Window Closed / Lapsed |