US1522359A
Expired / Lapsed
US
⏱️ 0.0 years remaining
District imf colum
Assignee: —
•
Filing: —
•
Granted: 1925-01-06
•
Expires: 1942-01-06
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:09
CPC Classifications
H; H04; H04H; H04H60/00; H04H60/02; H04H60/04; H04H60/35; H04H60/38; H04H60/41; H04H60/43; H04H60/76; H04H60/81; H04H60/93; H04H60/94
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) | 1928-01-06 | 1928-07-07 | 1929-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1932-01-06 | 1932-07-07 | 1933-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1936-01-06 | 1936-07-07 | 1937-01-06 | $7700.00 | Window Closed / Lapsed |