US1216754A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pumping apparatus.
Assignee: FRANK W SMITH
•
Filing: 1913-12-29
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Granted: 1917-02-20
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Expires: 1933-12-29
Abstract
No abstract record available.
Inventors
- 👤 Luther H Wattles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 05:51
CPC Classifications
F; F02; F02B; F02B75/00; F02B75/02; F04; F04B; F04B35/00; F04B35/002; F02B2075/022; F02B2075/025
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) | 1920-02-20 | 1920-08-21 | 1921-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1924-02-20 | 1924-08-21 | 1925-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1928-02-20 | 1928-08-21 | 1929-02-20 | $7700.00 | Window Closed / Lapsed |