US2583329A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for giving an internal gloss finish to a tube of heat plastic material
Assignee: United States Stoneware Co
•
Filing: 1948-05-08
•
Granted: 1952-01-22
•
Expires: 1968-05-08
Abstract
No abstract record available.
Inventors
- 👤 John S Eckert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:14
CPC Classifications
B; B29; B29C; B29C59/00; B29C59/16; B29C59/165; B29C33/00; B29C33/02; B29C33/06; B29C35/00; B29C35/02; B29C35/08; B29C35/0805; B29C2035/0811; B29C48/00; B29C48/03; B29C48/09; B29K; B29K2995/00; B29K2995/0018; B29K2995/0022; B29L; B29L2023/00; B29L2023/22; Y; Y10; Y10S; Y10S65/00; Y10S65/04
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
DE173082C
Cited
US1159895A
Cited
US1368658A
Cited
US1657132A
Cited
US1925545A
Cited
GB343434A
Cited
US1986544A
Cited
US2177633A
Cited
US2258025A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-01-21 | 1955-07-23 | 1956-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-01-21 | 1959-07-23 | 1960-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-01-21 | 1963-07-23 | 1964-01-22 | $7700.00 | Window Closed / Lapsed |