Patent US2912166A successfully refreshed from Google Patents.
US2912166A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for the discharge of condensation water
Assignee: Individual
•
Filing: 1956-04-20
•
Granted: 1959-11-10
•
Expires: 1976-04-20
Abstract
No abstract record available.
Inventors
- 👤 Domnick Ludwig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:46
CPC Classifications
G; G05; G05D; G05D23/00; G05D23/01; G05D23/02; G05D23/08; F; F16; F16T; F16T1/00; F16T1/02; F16T1/08
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1219515A
Cited
GB260764A
Cited
US1894842A
Cited
US1834375A
Cited
US2194771A
Cited
US2629553A
Cited
GB737960A
Cited
US2793814A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-09 | 1963-05-11 | 1963-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-09 | 1967-05-11 | 1967-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-09 | 1971-05-11 | 1971-11-10 | $7700.00 | Window Closed / Lapsed |