US1798357A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of and means for fastening down rails
Assignee: Individual
•
Filing: 1929-07-25
•
Granted: 1931-03-31
•
Expires: 1949-07-25
Abstract
No abstract record available.
Inventors
- 👤 Ruping Max
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:38
CPC Classifications
E; E01; E01B; E01B9/00; E01B9/02; E01B9/28; E01B9/30; E01B9/306; E01B9/38; E01B9/44; E01B9/46; E01B9/48; E01B9/486
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) | 1934-03-30 | 1934-09-29 | 1935-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1938-03-30 | 1938-09-29 | 1939-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1942-03-30 | 1942-09-29 | 1943-03-31 | $7700.00 | Window Closed / Lapsed |