US985013A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air-pump.
Assignee: NICKEL Manufacturing Co
•
Filing: 1909-12-27
•
Granted: 1911-02-21
•
Expires: 1929-12-27
Abstract
No abstract record available.
Inventors
- 👤 John Desmond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 05:00
CPC Classifications
F; F04; F04B; F04B49/00; F04B49/22; F04B49/24; F04B49/243; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32606; Y10T403/32631; Y10T403/32803
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1914-02-20 | 1914-08-22 | 1915-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1918-02-20 | 1918-08-22 | 1919-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1922-02-20 | 1922-08-22 | 1923-02-21 | $7700.00 | Window Closed / Lapsed |