US1213889A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Turbine pump or compressor.
Assignee: Individual
•
Filing: 1913-03-28
•
Granted: 1917-01-30
•
Expires: 1933-03-28
Abstract
No abstract record available.
Inventors
- 👤 Franz Lawaczeck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:03
CPC Classifications
F; F03; F03B; F03B3/00; F04; F04D; F04D1/00; F04D1/02
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) | 1920-01-30 | 1920-07-31 | 1921-01-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1924-01-30 | 1924-07-31 | 1925-01-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1928-01-30 | 1928-07-31 | 1929-01-30 | $7700.00 | Window Closed / Lapsed |