US2916642A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid dynamic device
Assignee: AIR GLIDE Inc
•
Filing: 1956-04-16
•
Granted: 1959-12-08
•
Expires: 1976-04-16
Abstract
No abstract record available.
Inventors
- 👤 Macks Elmer Fred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:32
CPC Classifications
H; H02; H02K; H02K7/00; H02K7/10; H02K7/11; H02K16/00; H02K7/08; H02K7/086; H02K7/088
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US473367A
Cited
US1122167A
Cited
US1847006A
Cited
FR810071A
Cited
GB485225A
Cited
US2167641A
Cited
US2214086A
Cited
US2243555A
Cited
US2547599A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-12-07 | 1963-06-08 | 1963-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-07 | 1967-06-08 | 1967-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-07 | 1971-06-08 | 1971-12-08 | $7700.00 | Window Closed / Lapsed |