US3396738A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid guiding method and apparatus
Assignee: Trane US Inc
•
Filing: 1964-11-27
•
Granted: 1968-08-13
•
Expires: 1984-11-27
Abstract
No abstract record available.
Inventors
- 👤 Heskestad Gunnar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:32
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/66; F04D29/68; F04D29/681; F04D29/682; F15; F15D; F15D1/00; F15D1/02; Y; Y10; Y10T; Y10T137/00; Y10T137/0318; Y10T137/0391; Y10T137/206; Y10T137/2087
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2408632A
Cited
US2590797A
Cited
US2721715A
Cited
US2788719A
Cited
US2894703A
Cited
US2948148A
Cited
US2841182A
Cited
US3182674A
Cited
US3216455A
Cited
US3212515A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-08-13 | 1972-02-12 | 1972-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-13 | 1976-02-12 | 1976-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-13 | 1980-02-12 | 1980-08-13 | $7700.00 | Window Closed / Lapsed |