Patent US2018814A successfully refreshed from Google Patents.
US2018814A
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Glass working implement
Assignee: Corning Glass Works
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Filing: 1925-11-21
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Granted: 1935-10-29
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Expires: 1945-11-21
Abstract
No abstract record available.
Inventors
- 👤 Rowland D Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:38
CPC Classifications
C; C03; C03B; C03B5/00; C03B5/16; C03B5/167; C03B5/1672; Y; Y02; Y02P; Y02P40/00; Y02P40/50; Y02P40/57; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9335; Y10S428/934; Y10S428/935; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12771; Y10T428/12806; Y10T428/12826; Y10T428/12847
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) | 1938-10-28 | 1939-04-29 | 1939-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-10-28 | 1943-04-29 | 1943-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-10-28 | 1947-04-29 | 1947-10-29 | $7700.00 | Window Closed / Lapsed |