Patent US4350229A successfully refreshed from Google Patents.
Patent US1738228A successfully refreshed from Google Patents.
US1738228A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Glass cutting
Assignee: —
•
Filing: 1929-06-24
•
Granted: 1929-12-03
•
Expires: 1949-06-24
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 01:46
CPC Classifications
C; C03; C03B; C03B33/00; C03B33/07; C03B33/076; C03B33/078; B; B32; B32B; B32B17/00; B32B17/06; B32B17/08; B32B17/10; B32B17/10005; B32B17/10009; B32B17/10036; C03B33/09; Y; Y10; Y10T; Y10T225/00; Y10T225/10; Y10T225/12
Claims Analysis
Total Claims: 0
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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) | 1932-12-02 | 1933-06-03 | 1933-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1936-12-02 | 1937-06-03 | 1937-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1940-12-02 | 1941-06-03 | 1941-12-03 | $7700.00 | Window Closed / Lapsed |