US3509015A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Glass laminated with polyurethane
Assignee: PPG Industries Inc
•
Filing: 1965-02-24
•
Granted: 1970-04-28
•
Expires: 1985-02-24
Abstract
No abstract record available.
Inventors
- 👤 Marco Wismer
- 👤 Vernon G Ammons
- 👤 Michael E Dufala
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 17:44
CPC Classifications
B; B32; B32B; B32B17/00; B32B17/06; B32B17/10; B32B17/10005; B32B17/10165; B32B17/10174; B32B17/1055; B32B17/1077; B32B17/10807; B32B17/10899; B32B17/10908; B32B17/10917; C; C08; C08G; C08G18/00; C08G18/06; C08G18/08; C08G18/10; C08G18/28; C08G18/40; C08G18/48; C08G18/4854; C08G18/4858; C08G18/67; C08G18/675; C09; C09J; C09J175/00; C09J175/04; C09J175/08; C09J175/12; B32B38/00; B32B2038/0052; B32B2038/0076; B32B2305/00; B32B2305/72; B32B2605/00; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31551; Y10T428/31598; Y10T428/31601
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
CA543986A
Cited
US2929800A
Cited
US2929794A
Cited
US2864780A
Cited
US2989512A
Cited
US3072582A
Cited
US2917489A
Cited
US2901467A
Cited
US3135645A
Cited
US3307958A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-04-27 | 1973-10-27 | 1974-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-04-27 | 1977-10-27 | 1978-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-04-27 | 1981-10-27 | 1982-04-28 | $7700.00 | Window Closed / Lapsed |