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Patent US2573365A successfully refreshed from Google Patents.
US2573365A
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Apparatus for fabricating insulating members for lamp bases and the like
Assignee: GTE Sylvania Inc
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Filing: 1947-10-04
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Granted: 1951-10-30
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Expires: 1967-10-04
Abstract
No abstract record available.
Inventors
- 👤 Addison B Scholes
- 👤 Mann Oliver
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:26
CPC Classifications
B; B30; B30B; B30B11/00; B30B11/02; B30B11/08; C; C03; C03B; C03B11/00; C03B11/02; C03B21/00; C03B21/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-10-29 | 1955-04-30 | 1955-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-10-29 | 1959-04-30 | 1959-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-10-29 | 1963-04-30 | 1963-10-30 | $7700.00 | Window Closed / Lapsed |