US2792591A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for formation of hollow articles
Assignee: Compagnie de Saint Gobain SA
•
Filing: 1954-02-01
•
Granted: 1957-05-21
•
Expires: 1974-02-01
Abstract
No abstract record available.
Inventors
- 👤 Cardot Jean
- 👤 Corre Joseph Le
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:37
CPC Classifications
B; B29; B29C; B29C49/00; B29C49/42; B29C49/46; A; A61; A61J; A61J1/00; A61J1/05; A61J1/06; A61J1/065; B29C49/02; B29C49/04; B29C49/04102; B29C49/28; B29C49/30; B29C49/38; C; C03; C03B; C03B23/00; C03B23/04; C03B23/07; C03B23/073; C03B9/00; C03B9/28; Y; Y10; Y10S; Y10S215/00; Y10S215/03; Y10S264/00; Y10S264/37; Y10S425/00; Y10S425/06
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1959428A
Cited
US2357702A
Cited
US2326041A
Cited
US2493439A
Cited
US2515093A
Cited
US2579399A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-05-20 | 1960-11-19 | 1961-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-05-20 | 1964-11-19 | 1965-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-05-20 | 1968-11-19 | 1969-05-21 | $7700.00 | Window Closed / Lapsed |