US1191283A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Car-floor.
Assignee: TRANSPORTATION UTILITIES Co
•
Filing: 1914-10-03
•
Granted: 1916-07-18
•
Expires: 1934-10-03
Abstract
No abstract record available.
Inventors
- 👤 Walter L Conwell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 14:23
CPC Classifications
E; E04; E04B; E04B5/00; E04B5/16; E04B5/32; E04B5/36; E04B5/38; E04B5/40
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) | 1919-07-18 | 1920-01-17 | 1920-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1923-07-18 | 1924-01-17 | 1924-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1927-07-18 | 1928-01-17 | 1928-07-18 | $7700.00 | Window Closed / Lapsed |