Patent US2458302A successfully refreshed from Google Patents.
US2458302A
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Method and chuck for assembling mold walls
Assignee: Polaroid Corp
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Filing: 1946-02-08
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Granted: 1949-01-04
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Expires: 1966-02-08
Abstract
No abstract record available.
Inventors
- 👤 John H Richardson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 16:36
CPC Classifications
B; B29; B29C; B29C33/00; B29C33/30; B29D; B29D11/00; B29K; B29K2909/00; B29K2909/08; B29L; B29L2011/00; B29L2011/0016; Y; Y10; Y10S; Y10S264/00; Y10S264/78; Y10S425/00; Y10S425/808; Y10T; Y10T279/00; Y10T279/11; Y10T29/00; Y10T29/49; Y10T29/49805; Y10T29/49826; Y10T29/49895; Y10T29/49902
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1316273A
Cited
US893000A
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US1957709A
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US2366935A
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US2311525A
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US2406401A
Cited
US2406742A
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US2398303A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-01-04 | 1952-07-05 | 1953-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-01-04 | 1956-07-05 | 1957-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-01-04 | 1960-07-05 | 1961-01-04 | $7700.00 | Window Closed / Lapsed |