Patent US3261130A successfully refreshed from Google Patents.
US3261130A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Threshold and method of installation
Assignee: Individual
•
Filing: 1964-07-28
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Granted: 1966-07-19
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Expires: 1984-07-28
Abstract
No abstract record available.
Inventors
- 👤 Lowell M Lawson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:49
CPC Classifications
E; E06; E06B; E06B7/00; E06B7/16; E06B7/22; E06B7/23; E06B7/2316; E06B3/00; E06B3/96; E06B3/9632
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
56 words
THE COMBINATION COMPRISING DOOR SIDE FRAME MEMBERS, AN ELONGATED THRESHOLD RECEIVED BETWEEN SAID FRAME MEMBERS, ABNORMALLY SHORTENED DOOR JAMBS CARRIED BY SAID MEMBERS AND TERMINATING ABOVE AND FULLY OVERLYING THE THRESHOLD, AND A PAIR OF PROJECTIONS EXTENDING UPWARDLY FROM THE ENDS OF THE THRESHOLD AND RECEIVED BELOW AND IN ALINEMENT WITH THE JAMB TERMINALS SO THAT
Claim 2
Dependent Claim
56 words
THE COMBINATION COMPRISING DOOR SIDE FRAME MEMBERS, AN ELONGATED THRESHOLD RECEIVED BETWEEN SAID FRAME MEMBERS, ABNORMALLY SHORTENED DOOR JAMBS CARRIED BY SAID MEMBERS AND TERMINATING ABOVE AND FULLY OVERLYING THE THRESHOLD, AND A PAIR OF PROJECTIONS EXTENDING UPWARDLY FROM THE ENDS OF THE THRESHOLD AND RECEIVED BELOW AND IN ALINEMENT WITH THE JAMB TERMINALS SO THAT
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-07-18 | 1970-01-17 | 1970-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-18 | 1974-01-17 | 1974-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-18 | 1978-01-17 | 1978-07-19 | $7700.00 | Window Closed / Lapsed |