US920502A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sheet-packing.
Assignee: SMOOTH-ON MANUFACTURING Co
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Filing: 1908-03-30
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Granted: 1909-05-04
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Expires: 1928-03-30
Abstract
No abstract record available.
Inventors
- 👤 Vreeland Tompkins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 14:59
CPC Classifications
B; B32; B32B; B32B27/00; D; D06; D06N; D06N5/00; Y; Y10; Y10S; Y10S285/00; Y10S285/91; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31652; Y10T428/31656; Y10T442/00; Y10T442/20; Y10T442/2213; Y10T442/2926
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) | 1912-05-03 | 1912-11-02 | 1913-05-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1916-05-03 | 1916-11-02 | 1917-05-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1920-05-03 | 1920-11-02 | 1921-05-04 | $7700.00 | Window Closed / Lapsed |