Patent US2863244A successfully refreshed from Google Patents.
US2863244A
Expired / Lapsed
US
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Protective means for film mounts
Assignee: Individual
•
Filing: 1957-05-24
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Granted: 1958-12-09
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Expires: 1977-05-24
Abstract
No abstract record available.
Inventors
- 👤 Floyd A Lyon
- 👤 Theodore F Aronson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 12:25
CPC Classifications
G; G06; G06K; G06K19/00; G06K19/02; G03; G03B; G03B21/00; G03B21/54; G03B21/64
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2432515A
Cited
US2268529A
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US2490058A
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US2572735A
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US2496008A
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US2659992A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-08 | 1962-06-09 | 1962-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-08 | 1966-06-09 | 1966-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-08 | 1970-06-09 | 1970-12-09 | $7700.00 | Window Closed / Lapsed |