Patent US1634549A successfully refreshed from Google Patents.
US1634549A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Expansion-joint drain
Assignee: Individual
•
Filing: 1925-08-21
•
Granted: 1927-07-05
•
Expires: 1945-08-21
Abstract
No abstract record available.
Inventors
- 👤 Daniel B Luten
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 18:33
CPC Classifications
E; E01; E01D; E01D19/00; E01D19/08; E01D19/086
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) | 1930-07-04 | 1931-01-03 | 1931-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1934-07-04 | 1935-01-03 | 1935-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1938-07-04 | 1939-01-03 | 1939-07-05 | $7700.00 | Window Closed / Lapsed |