Patent US2328571A successfully refreshed from Google Patents.
US2328571A
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Tape and cement applying machine
Assignee: National Gypsum Co
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Filing: 1941-11-14
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Granted: 1943-09-07
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Expires: 1961-11-14
Abstract
No abstract record available.
Inventors
- 👤 Merle R Meyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:08
CPC Classifications
E; E04; E04F; E04F21/00; E04F21/165; B; B44; B44C; B44C7/00; B44C7/02; B44C7/06; E04F21/02; E04F21/026; E04F21/1652; E04F21/1655; E04F21/1657; Y; Y10; Y10T; Y10T156/00; Y10T156/12; Y10T156/1348; Y10T156/1352; Y10T156/1361
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) | 1946-09-06 | 1947-03-08 | 1947-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-09-06 | 1951-03-08 | 1951-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-09-06 | 1955-03-08 | 1955-09-07 | $7700.00 | Window Closed / Lapsed |