US2132138A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of applying alubricant coating to glassware
Assignee: Ironsides Co
•
Filing: 1935-01-17
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Granted: 1938-10-04
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Expires: 1955-01-17
Abstract
No abstract record available.
Inventors
- 👤 Robert C Williams
- 👤 Hugh M Bone
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:16
CPC Classifications
C; C03; C03C; C03C17/00; C09; C09K; C09K23/00
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) | 1941-10-03 | 1942-04-04 | 1942-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-10-03 | 1946-04-04 | 1946-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-10-03 | 1950-04-04 | 1950-10-04 | $7700.00 | Window Closed / Lapsed |