Patent USRE27173E successfully refreshed from Google Patents.
USRE27173E
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lass etal reactor device
Assignee: —
•
Filing: 1969-05-29
•
Granted: 1971-09-20
•
Expires: 1989-05-29
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:28
CPC Classifications
G; G21; G21C; G21C3/00; G21C3/30; G21C3/32; G21C3/34; G21C3/3416; C; C21; C21C; C21C7/00; C21C7/0025; G21C13/00; G21C13/02; G21C3/02; G21C3/04; G21C3/06; G21C3/12; G21C3/33; G21C3/356; G21C3/3566; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-09-19 | 1975-03-21 | 1975-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-19 | 1979-03-21 | 1979-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-19 | 1983-03-21 | 1983-09-20 | $7700.00 | Window Closed / Lapsed |