US2488685A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spot cementing apparatus for laminating machines
Assignee: Seaman Paper Company of Massachusetts Inc
•
Filing: 1945-06-02
•
Granted: 1949-11-22
•
Expires: 1965-06-02
Abstract
No abstract record available.
Inventors
- 👤 Walter S Riddle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:42
CPC Classifications
B; B05; B05C; B05C1/00; B05C1/04; B05C1/16; D; D04; D04H; D04H1/00; D04H1/40; D04H1/58; D04H1/64; D04H1/66; Y; Y10; Y10T; Y10T156/00; Y10T156/17; Y10T156/1702; Y10T156/1712; Y10T156/1722; Y10T156/1724
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US425544A
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US2029922A
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US2147856A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-11-21 | 1953-05-23 | 1953-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-11-21 | 1957-05-23 | 1957-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-11-21 | 1961-05-23 | 1961-11-22 | $7700.00 | Window Closed / Lapsed |