US2620850A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for the manufacture of venetian blind ladder tape
Assignee: Individual
•
Filing: 1948-11-02
•
Granted: 1952-12-09
•
Expires: 1968-11-02
Abstract
No abstract record available.
Inventors
- 👤 Janowski Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 12:05
CPC Classifications
B; B29; B29C; B29C66/00; B29C66/40; B29C66/41; B29C66/43; B29C66/437; B29C65/00; B29C65/02; B29C65/04; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/13; B29C66/131; B29C66/70; B29C66/71; B29C66/73; B29C66/731; B29C66/7314; B29C66/73143; B29C66/80; B29L; B29L2031/00; B29L2031/719; B29L2031/7192; Y; Y10; Y10T; Y10T156/00; Y10T156/17; Y10T156/1702; Y10T156/1712; Y10T156/1734
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1828347A
Cited
US1931324A
Cited
US2210433A
Cited
US2284563A
Cited
US2290634A
Cited
US2354714A
Cited
US2377962A
Cited
US2422525A
Cited
GB573518A
Cited
US2439918A
Cited
US2413003A
Cited
US2405579A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-09 | 1956-06-09 | 1956-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-09 | 1960-06-09 | 1960-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-09 | 1964-06-09 | 1964-12-09 | $7700.00 | Window Closed / Lapsed |