Patent US1516822A successfully refreshed from Google Patents.
US1516822A
Expired / Lapsed
US
⏱️ 0.0 years remaining
mccormack
Assignee: —
•
Filing: —
•
Granted: 1924-11-25
•
Expires: 1941-11-25
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:40
CPC Classifications
F; F03; F03B; F03B11/00; F03B11/006; F03B11/06; F03B11/063; F03B11/066; Y; Y02; Y02E; Y02E10/00; Y02E10/20
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) | 1927-11-25 | 1928-05-26 | 1928-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1931-11-25 | 1932-05-26 | 1932-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1935-11-25 | 1936-05-26 | 1936-11-25 | $7700.00 | Window Closed / Lapsed |