US2495253A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for forming articles of hollow glassware
Assignee: Armstrong World Industries Inc
•
Filing: 1945-03-14
•
Granted: 1950-01-24
•
Expires: 1965-03-14
Abstract
No abstract record available.
Inventors
- 👤 Hayes William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:03
CPC Classifications
C; C03; C03B; C03B9/00; C03B9/30; C03B9/38; C03B9/3841; C03B9/385; C03B9/36; C03B9/3663; C03B9/3672
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB310421A
Cited
US1854471A
Cited
US2123145A
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US2282848A
Cited
US2363999A
Cited
US2398465A
Cited
US2382028A
Cited
US2347181A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-01-23 | 1953-07-25 | 1954-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-01-23 | 1957-07-25 | 1958-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-01-23 | 1961-07-25 | 1962-01-24 | $7700.00 | Window Closed / Lapsed |