US1704535A
Expired / Lapsed
US
⏱️ 0.0 years remaining
of norfolk
Assignee: —
•
Filing: —
•
Granted: 1929-03-05
•
Expires: 1946-03-05
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:47
CPC Classifications
F; F28; F28D; F28D1/00; F28D1/02; B; B29; B29C; B29C48/00; B29C48/03; B29C48/25; B29C48/78; B29C48/80; B29C48/83
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) | 1932-03-04 | 1932-09-03 | 1933-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1936-03-04 | 1936-09-03 | 1937-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1940-03-04 | 1940-09-03 | 1941-03-05 | $7700.00 | Window Closed / Lapsed |