US2551090A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Knocked down or folding structure made from acetate sheeting or the like
Assignee: Individual
•
Filing: 1946-09-06
•
Granted: 1951-05-01
•
Expires: 1966-09-06
Abstract
No abstract record available.
Inventors
- 👤 Bergstein Robert Morris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:24
CPC Classifications
B; B65; B65D; B65D15/00; B65D15/22; B29; B29C; B29C53/00; B29C53/02; B29C53/04; B29C53/06; B29C53/36; B29C65/00; B29C65/48; B29C65/50; B29C65/5042; B29C65/5092; B29C65/78; B29C65/7858; B29C65/7888; B29C65/7894; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/114; B29C66/1142; B29C66/40; B29C66/41; B29C66/43; B29C66/432; B29C66/4326; B29C66/80; B29C66/83; B29C66/834; B29C66/8341; B29C66/83411; B29C66/83413; B29C69/00; B29C69/001; B65D5/00; B65D5/32; B65D5/322; B65D5/324; B65D5/326; B29C2793/00; B29C2793/0063; B29C2793/0081; B29C37/00; B29C37/0053; B29C37/0057; B29C48/00; B29C48/001; B29C48/0013; B29C48/0014; B29C48/0018; B29C48/0019; B29C48/002; B29C48/0021; B29C48/0022; B29C48/03; B29C48/07; B29C48/08; B29C48/12; B29C48/15; B29C48/154; B29C48/155; B29C48/16; B29C48/17; B29C65/4805; B29C65/481; B29C65/482; B29C65/4825; B29C65/5064; B29C65/5071; B29C66/47; B29C66/472; B29C66/4722; B29L; B29L2031/00; B29L2031/22
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-30 | 1954-10-30 | 1955-05-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-30 | 1958-10-30 | 1959-05-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-30 | 1962-10-30 | 1963-05-01 | $7700.00 | Window Closed / Lapsed |