US3204692A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Condenser steam space divider
Assignee: Gilbert Associates Inc
•
Filing: 1961-11-30
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Granted: 1965-09-07
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Expires: 1981-11-30
Abstract
No abstract record available.
Inventors
- 👤 Iii Alexander F Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 11:28
CPC Classifications
F; F28; F28B; F28B1/00; F28B1/02; Y; Y10; Y10S; Y10S165/00; Y10S165/184; Y10S165/205; Y10S165/216
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-06 | 1969-03-08 | 1969-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-06 | 1973-03-08 | 1973-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-06 | 1977-03-08 | 1977-09-07 | $7700.00 | Window Closed / Lapsed |