US3495965A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mechanical cushion for piston type glass pressing apparatus
Assignee: Armstrong World Industries Inc
•
Filing: 1967-08-07
•
Granted: 1970-02-17
•
Expires: 1987-08-07
Abstract
No abstract record available.
Inventors
- 👤 Arthur E Kurtz
- 👤 William C Goelzer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 23:40
CPC Classifications
C; C03; C03B; C03B11/00; C03B11/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US458191A
Cited
US1897581A
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US650722A
Cited
US792500A
Cited
US2061663A
Cited
US2402887A
Cited
FR1045365A
Cited
US2953223A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-16 | 1973-08-18 | 1974-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-16 | 1977-08-18 | 1978-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-16 | 1981-08-18 | 1982-02-17 | $7700.00 | Window Closed / Lapsed |