US784556A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas-washer.
Assignee: FIRM OF JULIUS PINTSCH
•
Filing: 1903-05-18
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Granted: 1905-03-14
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Expires: 1923-05-18
Abstract
No abstract record available.
Inventors
- 👤 Heinrich Gerdes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:54
CPC Classifications
C; C02; C02F; C02F3/00; C02F3/02; C02F3/12; C02F3/14; C02F3/16; B; B01; B01F; B01F23/00; B01F23/20; B01F23/23; B01F23/234; B01F23/2342; B01F23/23421
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) | 1908-03-13 | 1908-09-12 | 1909-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1912-03-13 | 1912-09-12 | 1913-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1916-03-13 | 1916-09-12 | 1917-03-14 | $7700.00 | Window Closed / Lapsed |