Patent US3054196A successfully refreshed from Google Patents.
US2116771A
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Insulating unit
Assignee: Seaman Paper Company of Massachusetts Inc
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Filing: 1935-05-29
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Granted: 1938-05-10
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Expires: 1955-05-29
Abstract
No abstract record available.
Inventors
- 👤 Duncan R Seaman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 00:12
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/62; E04B1/74; E04B1/82; E04B1/84; E04B1/86; B; B60; B60R; B60R13/00; B60R13/08; B60R13/0815; B60R13/083; E04B2001/8263; E04B2001/8457; E04B2001/8461; E04B2001/8471; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24355; Y10T428/24446; Y10T428/24455; Y10T428/24479; Y10T428/24496; Y10T428/24521; Y10T428/31504; Y10T428/31678; Y10T428/31717; Y10T428/31815; Y10T428/31819; Y10T428/31823; Y10T428/31971
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) | 1941-05-09 | 1941-11-08 | 1942-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-05-09 | 1945-11-08 | 1946-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-05-09 | 1949-11-08 | 1950-05-10 | $7700.00 | Window Closed / Lapsed |