Patent US2687753A successfully refreshed from Google Patents.
US2687753A
Expired / Lapsed
US
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Tool for use in gauging and forming butt hinge recesses
Assignee: Individual
•
Filing: 1952-03-21
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Granted: 1954-08-31
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Expires: 1972-03-21
Abstract
No abstract record available.
Inventors
- 👤 Robert G Mount
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 05:58
CPC Classifications
E; E04; E04F; E04F21/00; E04F21/003; E05; E05D; E05D11/00; E05D11/0009; Y; Y10; Y10S; Y10S33/00; Y10S33/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US302058A
Cited
US770261A
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US761861A
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US1048333A
Cited
US1264649A
Cited
US1295386A
Cited
US2547489A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-08-30 | 1958-03-01 | 1958-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-30 | 1962-03-01 | 1962-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-30 | 1966-03-01 | 1966-08-31 | $7700.00 | Window Closed / Lapsed |