Patent US2900869A successfully refreshed from Google Patents.
Patent US1572831A successfully refreshed from Google Patents.
US1572831A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carrying frame for leather driers
Assignee: Proctor and Schwartz Inc
•
Filing: 1925-10-02
•
Granted: 1926-02-09
•
Expires: 1945-10-02
Abstract
No abstract record available.
Inventors
- 👤 Elwood B Ayres
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:41
CPC Classifications
C; C14; C14B; C14B1/00; C14B1/58; F; F26; F26B; F26B25/00; F26B25/06; F26B25/14; F26B25/18
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) | 1929-02-08 | 1929-08-10 | 1930-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1933-02-08 | 1933-08-10 | 1934-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1937-02-08 | 1937-08-10 | 1938-02-09 | $7700.00 | Window Closed / Lapsed |