US3509852A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Glass container coating machine
Assignee: Armstrong World Industries Inc
•
Filing: 1967-11-24
•
Granted: 1970-05-05
•
Expires: 1987-11-24
Abstract
No abstract record available.
Inventors
- 👤 Donald G Wells
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:49
CPC Classifications
B; B05; B05B; B05B13/00; B05B13/02; B05B13/04; B05B13/0447; B05B13/0457; C; C03; C03C; C03C17/00; C03C17/001; C03C17/003; C03C17/005
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2139133A
Cited
US2152046A
Cited
US2281169A
Cited
US2263011A
Cited
US2331164A
Cited
US2736671A
Cited
US2898881A
Cited
US2925801A
Cited
US3312562A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-04 | 1973-11-03 | 1974-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-04 | 1977-11-03 | 1978-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-04 | 1981-11-03 | 1982-05-05 | $7700.00 | Window Closed / Lapsed |